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O365Engage17 - WebHooks in Microsoft Sharepoint, Do It Like a Ninja!

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The document presents a presentation by Tiago Costa on Webhooks in Microsoft SharePoint, covering topics such as event handling, registration of event receivers, and the differences between server-side and remote event handling. It also introduces the Microsoft Graph API and its importance in simplifying access to various Microsoft Office 365 services. The presentation emphasizes user experience and provides insights into how to effectively implement webhooks for real-time updates in SharePoint.

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1 Slide 1 Introduction to WebHooks in Microsoft SharePoint Tiago Costa
2 Slide 2 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Tiago Costa • MVP – Office Server and Services • MCT and MCT Regional Lead • IT Consultant, Trainer, Author and Speaker • Independent Contractor • Delivering Services Worldwide – Mainly in EU • tiago.costa@outlook.com | www.tiagocosta.eu • Follow me @tiagocostapt
3 Slide 3 Follow us: #O365ENGAGE17 People say Portugal is a breathtaking country...
4 Slide 4 Follow us: #O365ENGAGE17 Who would want to lie on beaches like this one?
5 Slide 5 Follow us: #O365ENGAGE17 Who would want to lie on beaches like this one?
6 Slide 6 Follow us: #O365ENGAGE17 Wine is terrible...
7 Slide 7 Follow us: #O365ENGAGE17 Lisbon lives in the past…
8 Slide 8 Follow us: #O365ENGAGE17 The architecture in the country is so boring.
9 Slide 9 Follow us: #O365ENGAGE17 No class at all…
10 Slide 10 Follow us: #O365ENGAGE17 No tasty sweets for dessert. Why God, why?
11 Slide 11 Follow us: #O365ENGAGE17 Just stay home...
12 Slide 12 Follow us: #O365ENGAGE17 And never come to Portugal!
13 Slide 13 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Agenda • Introduction to Microsoft Graph • Microsoft Graph WebHooks • Event Handling in SharePoint • Event Receivers • Remote Event Receivers • Conclusions • Resources
14 Slide 14 Follow us: #O365ENGAGE17 Event Handling in SharePoint
15 Slide 15 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Why Handle Events? • Respond to user actions and modifications to content • Add validation logic for columns on list items • Cleanup and format content as it is entered by users • Calculate and store aggregated values • Initialize a host web with new lists during add-in installation
16 Slide 16 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Handling in SharePoint 2003 2007 2010 2013 2016 Server-Side Event Receivers Remote Event Receivers SharePoint Webhooks
17 Slide 17 Follow us: #O365ENGAGE17 Event Receivers
18 Slide 18 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Overview • Server-side event handling • Implemented using an event receiver class • Registration requires referencing of the event receiver class • Event receivers are deployed by SharePoint solution in a .NET assembly • Loaded into SharePoint worker process
19 Slide 19 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Synchronous Events (-ing) • Executed before data is committed to the Content DB • Opportunity for pre-processing like validations • Opportunity to cancel the event • Run in the same process and thread that triggered the event • Block the execution of the current thread • UI will be held up • Avoid complex time-consuming processing logic
20 Slide 20 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Asynchronous Events (-ed) • Executed after data is committed to the Content DB • Cannot be cancelled • Opportunity for post-processing like notifications • Run on a background thread and do not block the UI • This behaviour can be changed by updating the synchronization property of the event receiver to synchronous
21 Slide 21 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Events Site/Web Events Site Delete   Web Delete   Web Move   Web Add (2010)  Web Provision (2010)    Feature Events Feature Activate  Feature Deactivate  Feature Install  Feature Uninstall  Feature Upgrade  Workflow Events Workflow Start (2010)   Workflow Postpone (2010)  Workflow Complete (2010)  Entity Instance Events Entity Instance Add (2013)  Entity Instance Delete (2013)  Entity Instance Update (2013)  Add-In Lifecycle Events Add-In Install (2013)  Add-In Upgrade (2013)  Add-In Uninstall (2013)  List Events List Add (2010)   List Delete (2010)   Email Reception  List Schema Events Field Add   Field Delete   Field Update   List Item Events Item Add   Item Delete   Item Update   Item Attachment Add   Item Attachment Delete   Item Check In   Item Check Out   Item Uncheck Out   Item File Move   Item File Convert  Item Version Delete (2013)   Security Events (2013) Group Add   Group Update   Group Delete   Group User Add   Group User Delete   Role Definition Add   Role Definition Delete   Role Definition Update   Role Assignment Add   Role Assignment Delete   Role Assignment Update   Break Inheritance   Reset Inheritance  
22 Slide 22 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Registering Event Receivers • Declaratively for List and Content Type binding • Using the object model for all bindings SPWeb new SPSite "http://localhost" SPEventReceiverDefinition "Receiver.Class1" "Receiver, Version=1.0.0.0, Culture=neutral, PublicKeyToken =10b23036c9b36d6d" SPEventReceiverType
23 Slide 23 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Receiver Implementation • Inherit from one of the base classes • Override the corresponding event methods
24 Slide 24 Follow us: #O365ENGAGE17 Remote Event Receivers
25 Slide 25 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Overview • Event handler code runs in remote web (not SharePoint) • SharePoint calls web service in remote web to trigger event • Supported remote events are a subset of server-side events • Remote “before” events implemented as two-way events • Remote “after” events implemented as one-way events
26 Slide 26 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Remote “Before” Events • Modeled as two-way events • Execution flow goes to remote web and then back to SharePoint • Client is blocked while event processing occurs in remote web • Sample execution flow for two-way event • Client attempts action which triggers an event (e.g. update item) • SharePoint host calls to web service in remote web • SharePoint host blocks until call returns from remote web • SharePoint host commits action and returns to Client Two Way Event (aka before event) Client Remote Web SP Host 1 2 34
27 Slide 27 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Remote “After” Events • Modeled as one-way events • Execution flow goes to remote web but does not return • Unlike “before” events, after events do not block client response • Sample execution flow for one-way event • Client attempts action which triggers an event (e.g. update item) • SharePoint host commits action and returns to Client • SharePoint host executes one-way WCF call on remote web One Way Event (aka after event) Client Remote Web SharePoint Host 1 3 2
28 Slide 28 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Events Site/Web Events Site Delete   Web Delete   Web Move   Web Add  Web Provision    Feature Events Feature Activate Feature Deactivate Feature Install Feature Uninstall Feature Upgrade Workflow Events Workflow Start (2010) Workflow Postpone (2010) Workflow Complete (2010) Entity Instance Events Entity Instance Add   Entity Instance Delete   Entity Instance Update   Add-In Lifecycle Events Add-In Install  Add-In Upgrade  Add-In Uninstall  List Events List Add   List Delete   Email Reception List Schema Events Field Add   Field Delete   Field Update   List Item Events Item Add   Item Delete   Item Update   Item Attachment Add   Item Attachment Delete   Item Check In   Item Check Out   Item Uncheck Out   Item File Move   Item File Convert  Item Version Delete   Security Events Group Add   Group Update   Group Delete   Group User Add   Group User Delete   Role Definition Add   Role Definition Delete   Role Definition Update   Role Assignment Add   Role Assignment Delete   Role Assignment Update   Break Inheritance   Reset Inheritance  
29 Slide 29 Follow us: #O365ENGAGE17 Introduction to the Microsoft Graph API
30 Slide 30 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Developer Vision • Focus on User experience and their data. • We should bring user data and user experience into our applications. • Microsoft Office has over 1.2 billion users worldwide. • Office 365 numbers are huge with over 100 million monthly active subscribers.
31 Slide 31 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Office 365 Developer momentum "The most strategic developer surface area for us is Office 365“ - Satya Nadella
32 Slide 32 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Microsoft Graph https://graph.microsoft.com/ USERS FILES MAIL CALENDARGROUPS Insights and relationships from Office Graph TASKS
33 Slide 33 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 What is the Microsoft Graph? • Before • Before Microsoft Graph we had different APIs for each of the Microsoft Office 365 Services: Files, Mail, Contacts, … • For each endpoint we had a different OAuth token • Now!!! • Gateway to Office 365 • Single endpoint that proxies multiple Microsoft Services • Version endpoints – beta, v1.0 • Simplifies token acquisition and management • Eliminates the need to traditional discovery
34 Slide 34 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Single authentication flow for Microsoft Office 365 • Sign users in using OpenID Connect. • Device apps, web sites, SPAs and service apps. • Pin apps to Microsoft Office 365 launcher (My apps).
35 Slide 35 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Common consent window • Single auth flow for accessing all O365 services • Admin and end-user consent • Secure protocol • OpenID Connect and OAuth 2.0 • No capturing user credentials • Fine-grained access scopes • Long-term access through refresh tokens.
36 Slide 36 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Authentication Option • Azure AD only • Separate auth flow supports Azure AD accounts only • Azure AD and Microsoft Accounts (Consumer) • Converged auth flow supports Azure AD accounts and Microsoft accounts (outlook.com, hotmail.com, etc.) • Many apps want to sign users in from both Microsoft account and Azure AD
37 Slide 37 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 TASKS manager memberOf FILES MESSAGES workingWith Shared with me directReports createdBy FILES CONVERSATIONS createdBy workingWith EVENTS trendingAround GROUPS TASKS NOTES NOTES public modifiedBy USER trendingAround https://graph.microsoft.com/
38 Slide 38 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 API endpoint - https://graph.microsoft.com Verb Operation Endpoint GET My profile https://graph.microsoft.com/v1.0/me GET My photo https://graph.microsoft.com/v1.0/me/photo/$value GET My mail https://graph.microsoft.com/v1.0/me/messages GET All the items in my drive (OneDrive) https://graph.microsoft.com/v1.0/me/drive/root/children GET My joined teams https://graph.microsoft.com/beta/me/joinedTeams GET My notebooks https://graph.microsoft.com/v1.0/me/onenote/notebooks POST Create a section https://graph.microsoft.com/v1.0/me/onenote/notebooks/{notebo ok-id}/sections GET My organization default SharePoint Website https://graph.microsoft.com/v1.0/sites/root
39 Slide 39 Follow us: #O365ENGAGE17 Microsoft Graph Explorer Demo
40 Slide 40 Follow us: #O365ENGAGE17 Microsoft Graph Webhooks
41 Slide 41 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 What’s a Webhook? • Also called a web callback or HTTP push API • Way for an app to provide other applications with real-time information
42 Slide 42 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Microsoft Graph Webhooks • Using the Microsoft Graph REST API, an app can subscribe to changes on the following resources: • Messages • Events • Contacts • Group conversations • Drive root items
43 Slide 43 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Creating a subscription • The client sends a subscription (POST) request for a specific resource. • Microsoft Graph verifies the request. • If the request is valid, Microsoft Graph sends a validation token to the notification URL. • If the request is invalid, Microsoft Graph sends an error response with code and details. • The client sends the validation token back to Microsoft Graph.
44 Slide 44 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Characteristics of subscriptions • You can create subscriptions for resources such as messages, events, contacts, and drive root items. • You can create a subscription to a specific folder • https://graph.microsoft.com/v1.0/me/mailfolders('inbox')/messages • Or to a top-level resource • https://graph.microsoft.com/v1.0/me/messages • Or on a drive root item • https://graph.microsoft.com/v1.0/me/drive/root
45 Slide 45 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Renewing a subscription • The client can renew a subscription with a specific expiration date of up to three days from the time of request. The expirationDateTime property is required. • Subscription renewal example:
46 Slide 46 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Resources • Microsoft Graph Webhooks Sample for ASP.NET • https://github.com/OfficeDev/Microsoft-Graph-ASPNET-Webhooks • Microsoft Graph Webhooks Sample for Node.js • https://github.com/OfficeDev/Microsoft-Graph-Nodejs-Webhooks
47 Slide 47 Follow us: #O365ENGAGE17 SharePoint Webhooks
48 Slide 48 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 What are WebHooks? • A way to be notified of a done change • Push model instead of Pull model • Universal model used by many services (WordPress, GitHub, MailChimp, ...) • First made available in OneDrive and Outlook • Now available in SharePoint Online
49 Slide 49 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook POST /_api/web/lists('list-id')/subscriptions Application Content-Type: application/json { "resource": "https://contoso.sharepoint.com/_api/web/lists({id})", "notificationUrl": "https://{your host}/your/webhook/service", "expirationDateTime": "2017-06-18T16:17:57+00:00" } SharePoint Service
50 Slide 50 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook Application Your WebHook notification service endpoint POST https://{your host}/your/webhook/service ?validationToken={randomString} SharePoint Service
51 Slide 51 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook Application Your WebHook notification service endpoint Content-Type: text/plain {randomString} HTTP/1.1 200 OK SharePoint Service
52 Slide 52 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook SharePoint Service Application Your WebHook notification service endpoint Content-Type: application/json { "id": "a8e6d5e6-9f7f-497a-b97f-8ffe8f559dc7", "expirationDateTime": "2017-06-18T16:17:57Z", "notificationUrl": "https://{your host}/your/webhook/service", "resource": "{id}" } HTTP/1.1 201 Created Application
53 Slide 53 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook SharePoint Service Your WebHook notification service endpoint { "value":[ { "subscriptionId":"91779246-afe9-4525-b122-6c199ae89211", "clientState":"00000000-0000-0000-0000-000000000000", "expirationDateTime":"2017-06-18T17:27:00.0000000Z", "resource":"b9f6f714-9df8-470b-b22e-653855e1c181", "tenantId":"00000000-0000-0000-0000-000000000000", "siteUrl":"/", "webId":"dbc5a806-e4d4-46e5-951c-6344d70b62fa" } ] } POST https://{your host}/your/webhook/service
54 Slide 54 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Notification SharePoint Service Your WebHook notification service endpoint HTTP/1.1 200 OK
55 Slide 55 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Processing SharePoint Service YourWebHook notification service endpoint HTTP/1.1 200 OK POST https://{your host}/your/webhook/service Storage Queue WebJob
56 Slide 56 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 GetChanges Pattern SharePoint Service Your WebHook notification service endpoint Application Storage Queue WebJob SQL Azure DB POST https://{your host}/your/webhook/service POST /_api/web/lists('list-id')/subscriptions Grab “CurrentChangeToken” from list Persist token per subscription Persist last used token per subscription Grab change token from DB
57 Slide 57 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Events Site/Web Events Site Delete Web Delete Web Move Web Add Web Provision   Feature Events Feature Activate Feature Deactivate Feature Install Feature Uninstall Feature Upgrade Workflow Events Workflow Start (2010) Workflow Postpone (2010) Workflow Complete (2010) Entity Instance Events Entity Instance Add Entity Instance Delete Entity Instance Update Add-In Lifecycle Events Add-In Install Add-In Upgrade Add-In Uninstall List Events List Add List Delete Email Reception List Schema Events Field Add Field Delete Field Update List Item Events Item Add  Item Delete  Item Update  Item Attachment Add  Item Attachment Delete  Item Check In  Item Check Out  Item Uncheck Out  Item File Move  Item File Convert  Item Version Delete  Security Events Group Add Group Update Group Delete Group User Add Group User Delete Role Definition Add Role Definition Delete Role Definition Update Role Assignment Add Role Assignment Delete Role Assignment Update Break Inheritance Reset Inheritance
58 Slide 58 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 WebHook Advantages • WebHooks have a retry mechanism with an incremental back off strategy (5 times with 5 minute interval) • WebHook calls are less taxing for your service endpoint • The WebHook payload is very small • Notifications are batched because processing depends on the CSOM GetChanges() call • WebHooks are more secure as no event information is passed along during the notification • WebHooks are easier to consume by “non-SharePoint” developers • No WCF based endpoints, regular HTTP services are sufficient (e.g. Web API)
59 Slide 59 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscription Renewal • WebHooks have an expiration date of maximum 6 months after creation • You can “renew” a WebHook via a REST call • PATCH /_api/web/lists('list-id')/subscriptions('subscriptionID') • Two patterns are possible: • Have a background job that regularly renews the needed subscriptions (recommended model) • Renew at notification time (will drop WebHook if there’s no event within the defined expiration window)
60 Slide 60 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Debugging • Connect remote debugger to your service and web job running in Azure • Use ngrok (https://ngrok.com/) as alternative to create a tunnel to your service running on localhost
61 Slide 61 Follow us: #O365ENGAGE17 SharePoint List Webhooks Demo
62 Slide 62 Follow us: #O365ENGAGE17 Conclusions
63 Slide 63 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 SharePoint Version Availability Event Receivers Remote Event Receivers WebHooks SharePoint Server 2003  SharePoint Server 2007  SharePoint Server 2010  SharePoint Server 2013   SharePoint Server 2016   SharePoint Online  
64 Slide 64 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Event Types Event Receivers Remote Event Receivers WebHooks Site/Web events   List events   List schema events   List item events    Workflow events  Security events   Add-in events   Feature events 
65 Slide 65 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Comparison Event Receivers Remote Event Receivers WebHooks Easy to develop    Event registration    Event type coverage    Security    Robustness    Compatibility    Future proof    Overall   
66 Slide 66 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Conclusions • Remote Event Receivers are here to stay • Use Webhooks if: • Developing exclusively for SharePoint Online (currently) • Just need to handle list item events (currently) • Want to leverage automatic retries • Want to leverage increased security • Use Remote Event Receivers if: • Targeting SharePoint On-Prem (2013 or later) • Need to handle events other than list item events • Use Server-side Event Receivers if: • Targeting older versions of SharePoint (before 2013)
67 Slide 67 Follow us: #O365ENGAGE17 Resources
68 Slide 68 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Resources • Webhooks in SharePoint • https://dev.office.com/sharepoint/docs/apis/webhooks • https://github.com/SharePoint/sp-dev- samples/tree/master/Samples/WebHooks.List • Webhooks in Outlook • https://msdn.microsoft.com/office/office365/APi/notify-rest-operations • https://github.com/OfficeDev/PnP/tree/dev/Samples/OutlookNotificationsAPI. WebAPI • Webhooks in OneDrive • https://dev.onedrive.com/webhooks/create-subscription.htm • https://github.com/OneDrive/onedrive-webhooks-aspnet
69 Slide 69 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Getting started • Get started with SharePoint webhooks • https://dev.office.com/sharepoint/docs/apis/webhooks/get-started- webhooks • Using Azure Functions with SharePoint webhooks • https://dev.office.com/sharepoint/docs/apis/webhooks/sharepoint- webhooks-using-azure-functions
70 Slide 70 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Developer Program http://dev.office.com/devprogram
71 Slide 71 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Questions? | Thank You Tiago Costa tiago.costa@outlook.com We’d like to know what you think! Please fill out the evaluation form you received at the registration desk for this session Session recordings and materials: Materials will be available on Office365Engage.com soon

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O365Engage17 - WebHooks in Microsoft Sharepoint, Do It Like a Ninja!

  • 1. 1 Slide 1 Introduction to WebHooks in Microsoft SharePoint Tiago Costa
  • 2. 2 Slide 2 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Tiago Costa • MVP – Office Server and Services • MCT and MCT Regional Lead • IT Consultant, Trainer, Author and Speaker • Independent Contractor • Delivering Services Worldwide – Mainly in EU • tiago.costa@outlook.com | www.tiagocosta.eu • Follow me @tiagocostapt
  • 3. 3 Slide 3 Follow us: #O365ENGAGE17 People say Portugal is a breathtaking country...
  • 4. 4 Slide 4 Follow us: #O365ENGAGE17 Who would want to lie on beaches like this one?
  • 5. 5 Slide 5 Follow us: #O365ENGAGE17 Who would want to lie on beaches like this one?
  • 10. 10 Slide 10 Follow us: #O365ENGAGE17 No tasty sweets for dessert. Why God, why?
  • 13. 13 Slide 13 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Agenda • Introduction to Microsoft Graph • Microsoft Graph WebHooks • Event Handling in SharePoint • Event Receivers • Remote Event Receivers • Conclusions • Resources
  • 15. 15 Slide 15 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Why Handle Events? • Respond to user actions and modifications to content • Add validation logic for columns on list items • Cleanup and format content as it is entered by users • Calculate and store aggregated values • Initialize a host web with new lists during add-in installation
  • 16. 16 Slide 16 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Handling in SharePoint 2003 2007 2010 2013 2016 Server-Side Event Receivers Remote Event Receivers SharePoint Webhooks
  • 18. 18 Slide 18 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Overview • Server-side event handling • Implemented using an event receiver class • Registration requires referencing of the event receiver class • Event receivers are deployed by SharePoint solution in a .NET assembly • Loaded into SharePoint worker process
  • 19. 19 Slide 19 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Synchronous Events (-ing) • Executed before data is committed to the Content DB • Opportunity for pre-processing like validations • Opportunity to cancel the event • Run in the same process and thread that triggered the event • Block the execution of the current thread • UI will be held up • Avoid complex time-consuming processing logic
  • 20. 20 Slide 20 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Asynchronous Events (-ed) • Executed after data is committed to the Content DB • Cannot be cancelled • Opportunity for post-processing like notifications • Run on a background thread and do not block the UI • This behaviour can be changed by updating the synchronization property of the event receiver to synchronous
  • 21. 21 Slide 21 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Events Site/Web Events Site Delete   Web Delete   Web Move   Web Add (2010)  Web Provision (2010)    Feature Events Feature Activate  Feature Deactivate  Feature Install  Feature Uninstall  Feature Upgrade  Workflow Events Workflow Start (2010)   Workflow Postpone (2010)  Workflow Complete (2010)  Entity Instance Events Entity Instance Add (2013)  Entity Instance Delete (2013)  Entity Instance Update (2013)  Add-In Lifecycle Events Add-In Install (2013)  Add-In Upgrade (2013)  Add-In Uninstall (2013)  List Events List Add (2010)   List Delete (2010)   Email Reception  List Schema Events Field Add   Field Delete   Field Update   List Item Events Item Add   Item Delete   Item Update   Item Attachment Add   Item Attachment Delete   Item Check In   Item Check Out   Item Uncheck Out   Item File Move   Item File Convert  Item Version Delete (2013)   Security Events (2013) Group Add   Group Update   Group Delete   Group User Add   Group User Delete   Role Definition Add   Role Definition Delete   Role Definition Update   Role Assignment Add   Role Assignment Delete   Role Assignment Update   Break Inheritance   Reset Inheritance  
  • 22. 22 Slide 22 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Registering Event Receivers • Declaratively for List and Content Type binding • Using the object model for all bindings SPWeb new SPSite "http://localhost" SPEventReceiverDefinition "Receiver.Class1" "Receiver, Version=1.0.0.0, Culture=neutral, PublicKeyToken =10b23036c9b36d6d" SPEventReceiverType
  • 23. 23 Slide 23 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Receiver Implementation • Inherit from one of the base classes • Override the corresponding event methods
  • 25. 25 Slide 25 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Overview • Event handler code runs in remote web (not SharePoint) • SharePoint calls web service in remote web to trigger event • Supported remote events are a subset of server-side events • Remote “before” events implemented as two-way events • Remote “after” events implemented as one-way events
  • 26. 26 Slide 26 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Remote “Before” Events • Modeled as two-way events • Execution flow goes to remote web and then back to SharePoint • Client is blocked while event processing occurs in remote web • Sample execution flow for two-way event • Client attempts action which triggers an event (e.g. update item) • SharePoint host calls to web service in remote web • SharePoint host blocks until call returns from remote web • SharePoint host commits action and returns to Client Two Way Event (aka before event) Client Remote Web SP Host 1 2 34
  • 27. 27 Slide 27 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Remote “After” Events • Modeled as one-way events • Execution flow goes to remote web but does not return • Unlike “before” events, after events do not block client response • Sample execution flow for one-way event • Client attempts action which triggers an event (e.g. update item) • SharePoint host commits action and returns to Client • SharePoint host executes one-way WCF call on remote web One Way Event (aka after event) Client Remote Web SharePoint Host 1 3 2
  • 28. 28 Slide 28 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Events Site/Web Events Site Delete   Web Delete   Web Move   Web Add  Web Provision    Feature Events Feature Activate Feature Deactivate Feature Install Feature Uninstall Feature Upgrade Workflow Events Workflow Start (2010) Workflow Postpone (2010) Workflow Complete (2010) Entity Instance Events Entity Instance Add   Entity Instance Delete   Entity Instance Update   Add-In Lifecycle Events Add-In Install  Add-In Upgrade  Add-In Uninstall  List Events List Add   List Delete   Email Reception List Schema Events Field Add   Field Delete   Field Update   List Item Events Item Add   Item Delete   Item Update   Item Attachment Add   Item Attachment Delete   Item Check In   Item Check Out   Item Uncheck Out   Item File Move   Item File Convert  Item Version Delete   Security Events Group Add   Group Update   Group Delete   Group User Add   Group User Delete   Role Definition Add   Role Definition Delete   Role Definition Update   Role Assignment Add   Role Assignment Delete   Role Assignment Update   Break Inheritance   Reset Inheritance  
  • 30. 30 Slide 30 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Developer Vision • Focus on User experience and their data. • We should bring user data and user experience into our applications. • Microsoft Office has over 1.2 billion users worldwide. • Office 365 numbers are huge with over 100 million monthly active subscribers.
  • 31. 31 Slide 31 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Office 365 Developer momentum "The most strategic developer surface area for us is Office 365“ - Satya Nadella
  • 32. 32 Slide 32 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Microsoft Graph https://graph.microsoft.com/ USERS FILES MAIL CALENDARGROUPS Insights and relationships from Office Graph TASKS
  • 33. 33 Slide 33 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 What is the Microsoft Graph? • Before • Before Microsoft Graph we had different APIs for each of the Microsoft Office 365 Services: Files, Mail, Contacts, … • For each endpoint we had a different OAuth token • Now!!! • Gateway to Office 365 • Single endpoint that proxies multiple Microsoft Services • Version endpoints – beta, v1.0 • Simplifies token acquisition and management • Eliminates the need to traditional discovery
  • 34. 34 Slide 34 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Single authentication flow for Microsoft Office 365 • Sign users in using OpenID Connect. • Device apps, web sites, SPAs and service apps. • Pin apps to Microsoft Office 365 launcher (My apps).
  • 35. 35 Slide 35 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Common consent window • Single auth flow for accessing all O365 services • Admin and end-user consent • Secure protocol • OpenID Connect and OAuth 2.0 • No capturing user credentials • Fine-grained access scopes • Long-term access through refresh tokens.
  • 36. 36 Slide 36 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Authentication Option • Azure AD only • Separate auth flow supports Azure AD accounts only • Azure AD and Microsoft Accounts (Consumer) • Converged auth flow supports Azure AD accounts and Microsoft accounts (outlook.com, hotmail.com, etc.) • Many apps want to sign users in from both Microsoft account and Azure AD
  • 37. 37 Slide 37 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 TASKS manager memberOf FILES MESSAGES workingWith Shared with me directReports createdBy FILES CONVERSATIONS createdBy workingWith EVENTS trendingAround GROUPS TASKS NOTES NOTES public modifiedBy USER trendingAround https://graph.microsoft.com/
  • 38. 38 Slide 38 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 API endpoint - https://graph.microsoft.com Verb Operation Endpoint GET My profile https://graph.microsoft.com/v1.0/me GET My photo https://graph.microsoft.com/v1.0/me/photo/$value GET My mail https://graph.microsoft.com/v1.0/me/messages GET All the items in my drive (OneDrive) https://graph.microsoft.com/v1.0/me/drive/root/children GET My joined teams https://graph.microsoft.com/beta/me/joinedTeams GET My notebooks https://graph.microsoft.com/v1.0/me/onenote/notebooks POST Create a section https://graph.microsoft.com/v1.0/me/onenote/notebooks/{notebo ok-id}/sections GET My organization default SharePoint Website https://graph.microsoft.com/v1.0/sites/root
  • 41. 41 Slide 41 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 What’s a Webhook? • Also called a web callback or HTTP push API • Way for an app to provide other applications with real-time information
  • 42. 42 Slide 42 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Microsoft Graph Webhooks • Using the Microsoft Graph REST API, an app can subscribe to changes on the following resources: • Messages • Events • Contacts • Group conversations • Drive root items
  • 43. 43 Slide 43 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Creating a subscription • The client sends a subscription (POST) request for a specific resource. • Microsoft Graph verifies the request. • If the request is valid, Microsoft Graph sends a validation token to the notification URL. • If the request is invalid, Microsoft Graph sends an error response with code and details. • The client sends the validation token back to Microsoft Graph.
  • 44. 44 Slide 44 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Characteristics of subscriptions • You can create subscriptions for resources such as messages, events, contacts, and drive root items. • You can create a subscription to a specific folder • https://graph.microsoft.com/v1.0/me/mailfolders('inbox')/messages • Or to a top-level resource • https://graph.microsoft.com/v1.0/me/messages • Or on a drive root item • https://graph.microsoft.com/v1.0/me/drive/root
  • 45. 45 Slide 45 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Renewing a subscription • The client can renew a subscription with a specific expiration date of up to three days from the time of request. The expirationDateTime property is required. • Subscription renewal example:
  • 46. 46 Slide 46 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Resources • Microsoft Graph Webhooks Sample for ASP.NET • https://github.com/OfficeDev/Microsoft-Graph-ASPNET-Webhooks • Microsoft Graph Webhooks Sample for Node.js • https://github.com/OfficeDev/Microsoft-Graph-Nodejs-Webhooks
  • 48. 48 Slide 48 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 What are WebHooks? • A way to be notified of a done change • Push model instead of Pull model • Universal model used by many services (WordPress, GitHub, MailChimp, ...) • First made available in OneDrive and Outlook • Now available in SharePoint Online
  • 49. 49 Slide 49 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook POST /_api/web/lists('list-id')/subscriptions Application Content-Type: application/json { "resource": "https://contoso.sharepoint.com/_api/web/lists({id})", "notificationUrl": "https://{your host}/your/webhook/service", "expirationDateTime": "2017-06-18T16:17:57+00:00" } SharePoint Service
  • 50. 50 Slide 50 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook Application Your WebHook notification service endpoint POST https://{your host}/your/webhook/service ?validationToken={randomString} SharePoint Service
  • 51. 51 Slide 51 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook Application Your WebHook notification service endpoint Content-Type: text/plain {randomString} HTTP/1.1 200 OK SharePoint Service
  • 52. 52 Slide 52 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook SharePoint Service Application Your WebHook notification service endpoint Content-Type: application/json { "id": "a8e6d5e6-9f7f-497a-b97f-8ffe8f559dc7", "expirationDateTime": "2017-06-18T16:17:57Z", "notificationUrl": "https://{your host}/your/webhook/service", "resource": "{id}" } HTTP/1.1 201 Created Application
  • 53. 53 Slide 53 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscribe to a Webhook SharePoint Service Your WebHook notification service endpoint { "value":[ { "subscriptionId":"91779246-afe9-4525-b122-6c199ae89211", "clientState":"00000000-0000-0000-0000-000000000000", "expirationDateTime":"2017-06-18T17:27:00.0000000Z", "resource":"b9f6f714-9df8-470b-b22e-653855e1c181", "tenantId":"00000000-0000-0000-0000-000000000000", "siteUrl":"/", "webId":"dbc5a806-e4d4-46e5-951c-6344d70b62fa" } ] } POST https://{your host}/your/webhook/service
  • 54. 54 Slide 54 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Notification SharePoint Service Your WebHook notification service endpoint HTTP/1.1 200 OK
  • 55. 55 Slide 55 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Event Processing SharePoint Service YourWebHook notification service endpoint HTTP/1.1 200 OK POST https://{your host}/your/webhook/service Storage Queue WebJob
  • 56. 56 Slide 56 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 GetChanges Pattern SharePoint Service Your WebHook notification service endpoint Application Storage Queue WebJob SQL Azure DB POST https://{your host}/your/webhook/service POST /_api/web/lists('list-id')/subscriptions Grab “CurrentChangeToken” from list Persist token per subscription Persist last used token per subscription Grab change token from DB
  • 57. 57 Slide 57 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Events Site/Web Events Site Delete Web Delete Web Move Web Add Web Provision   Feature Events Feature Activate Feature Deactivate Feature Install Feature Uninstall Feature Upgrade Workflow Events Workflow Start (2010) Workflow Postpone (2010) Workflow Complete (2010) Entity Instance Events Entity Instance Add Entity Instance Delete Entity Instance Update Add-In Lifecycle Events Add-In Install Add-In Upgrade Add-In Uninstall List Events List Add List Delete Email Reception List Schema Events Field Add Field Delete Field Update List Item Events Item Add  Item Delete  Item Update  Item Attachment Add  Item Attachment Delete  Item Check In  Item Check Out  Item Uncheck Out  Item File Move  Item File Convert  Item Version Delete  Security Events Group Add Group Update Group Delete Group User Add Group User Delete Role Definition Add Role Definition Delete Role Definition Update Role Assignment Add Role Assignment Delete Role Assignment Update Break Inheritance Reset Inheritance
  • 58. 58 Slide 58 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 WebHook Advantages • WebHooks have a retry mechanism with an incremental back off strategy (5 times with 5 minute interval) • WebHook calls are less taxing for your service endpoint • The WebHook payload is very small • Notifications are batched because processing depends on the CSOM GetChanges() call • WebHooks are more secure as no event information is passed along during the notification • WebHooks are easier to consume by “non-SharePoint” developers • No WCF based endpoints, regular HTTP services are sufficient (e.g. Web API)
  • 59. 59 Slide 59 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Subscription Renewal • WebHooks have an expiration date of maximum 6 months after creation • You can “renew” a WebHook via a REST call • PATCH /_api/web/lists('list-id')/subscriptions('subscriptionID') • Two patterns are possible: • Have a background job that regularly renews the needed subscriptions (recommended model) • Renew at notification time (will drop WebHook if there’s no event within the defined expiration window)
  • 60. 60 Slide 60 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Debugging • Connect remote debugger to your service and web job running in Azure • Use ngrok (https://ngrok.com/) as alternative to create a tunnel to your service running on localhost
  • 63. 63 Slide 63 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 SharePoint Version Availability Event Receivers Remote Event Receivers WebHooks SharePoint Server 2003  SharePoint Server 2007  SharePoint Server 2010  SharePoint Server 2013   SharePoint Server 2016   SharePoint Online  
  • 64. 64 Slide 64 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Supported Event Types Event Receivers Remote Event Receivers WebHooks Site/Web events   List events   List schema events   List item events    Workflow events  Security events   Add-in events   Feature events 
  • 65. 65 Slide 65 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Comparison Event Receivers Remote Event Receivers WebHooks Easy to develop    Event registration    Event type coverage    Security    Robustness    Compatibility    Future proof    Overall   
  • 66. 66 Slide 66 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Conclusions • Remote Event Receivers are here to stay • Use Webhooks if: • Developing exclusively for SharePoint Online (currently) • Just need to handle list item events (currently) • Want to leverage automatic retries • Want to leverage increased security • Use Remote Event Receivers if: • Targeting SharePoint On-Prem (2013 or later) • Need to handle events other than list item events • Use Server-side Event Receivers if: • Targeting older versions of SharePoint (before 2013)
  • 68. 68 Slide 68 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Resources • Webhooks in SharePoint • https://dev.office.com/sharepoint/docs/apis/webhooks • https://github.com/SharePoint/sp-dev- samples/tree/master/Samples/WebHooks.List • Webhooks in Outlook • https://msdn.microsoft.com/office/office365/APi/notify-rest-operations • https://github.com/OfficeDev/PnP/tree/dev/Samples/OutlookNotificationsAPI. WebAPI • Webhooks in OneDrive • https://dev.onedrive.com/webhooks/create-subscription.htm • https://github.com/OneDrive/onedrive-webhooks-aspnet
  • 69. 69 Slide 69 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Getting started • Get started with SharePoint webhooks • https://dev.office.com/sharepoint/docs/apis/webhooks/get-started- webhooks • Using Azure Functions with SharePoint webhooks • https://dev.office.com/sharepoint/docs/apis/webhooks/sharepoint- webhooks-using-azure-functions
  • 70. 70 Slide 70 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Developer Program http://dev.office.com/devprogram
  • 71. 71 Slide 71 WebHooks in Microsoft SharePoint - Do It Like a Ninja! | Tiago Costa | 16:15 – 17:30 - Day 3, Thursday 22 June Follow us: #O365ENGAGE17 Questions? | Thank You Tiago Costa tiago.costa@outlook.com We’d like to know what you think! Please fill out the evaluation form you received at the registration desk for this session Session recordings and materials: Materials will be available on Office365Engage.com soon