[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-07-25。"],[],[],null,["- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n - [JSON representation](#body.request_body.SCHEMA_REPRESENTATION)\n- [Response body](#body.response_body)\n - [JSON representation](#body.WatchResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n- [LabelFilterAction](#LabelFilterAction)\n\nSet up or update a push notification watch on the given user mailbox.\n\nHTTP request\n\n`POST https://gmail.googleapis.com/gmail/v1/users/{userId}/watch`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\nPath parameters\n\n| Parameters ||\n|----------|-----------------------------------------------------------------------------------------------------------|\n| `userId` | `string` The user's email address. The special value `me` can be used to indicate the authenticated user. |\n\nRequest body\n\nThe request body contains data with the following structure:\n\n| JSON representation |\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ``` { \"labelIds\": [ string ], \"labelFilterAction\": enum (/workspace/gmail/api/reference/rest/v1/users/watch#LabelFilterAction), \"labelFilterBehavior\": enum (/workspace/gmail/api/reference/rest/v1/users/watch#LabelFilterAction), \"topicName\": string } ``` |\n\n| Fields ||\n|--------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `labelIds[]` | `string` List of labelIds to restrict notifications about. By default, if unspecified, all changes are pushed out. If specified then dictates which labels are required for a push notification to be generated. |\n| `labelFilterAction` **(deprecated)** | `enum (`[LabelFilterAction](/workspace/gmail/api/reference/rest/v1/users/watch#LabelFilterAction)`)` Filtering behavior of `labelIds list` specified. This field is deprecated because it caused incorrect behavior in some cases; use `labelFilterBehavior` instead. |\n| `labelFilterBehavior` | `enum (`[LabelFilterAction](/workspace/gmail/api/reference/rest/v1/users/watch#LabelFilterAction)`)` Filtering behavior of `labelIds list` specified. This field replaces `labelFilterAction`; if set, `labelFilterAction` is ignored. |\n| `topicName` | `string` A fully qualified Google Cloud Pub/Sub API topic name to publish the events to. This topic name **must** already exist in Cloud Pub/Sub and you **must** have already granted gmail \"publish\" permission on it. For example, \"projects/my-project-identifier/topics/my-topic-name\" (using the Cloud Pub/Sub \"v1\" topic naming format). Note that the \"my-project-identifier\" portion must exactly match your Google developer project id (the one executing this watch request). |\n\nResponse body Push notification watch response.\n\nIf successful, the response body contains data with the following structure:\n\n| JSON representation |\n|-------------------------------------------------------|\n| ``` { \"historyId\": string, \"expiration\": string } ``` |\n\n| Fields ||\n|--------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `historyId` | `string` The ID of the mailbox's current history record. |\n| `expiration` | `string (`[int64](https://developers.google.com/discovery/v1/type-format)` format)` When Gmail will stop sending notifications for mailbox updates (epoch millis). Call `watch` again before this time to renew the watch. |\n\nAuthorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://mail.google.com/`\n- `\n https://www.googleapis.com/auth/gmail.modify`\n- `\n https://www.googleapis.com/auth/gmail.readonly`\n- `\n https://www.googleapis.com/auth/gmail.metadata`\n\nFor more information, see the [Authorization guide](/workspace/guides/configure-oauth-consent).\n\nLabelFilterAction Filtering behavior of labelIds list specified.\n\n| Enums ||\n|-----------|---------------------------------------------------------------------------------------------|\n| `include` | Only get push notifications for message changes relating to labelIds specified. |\n| `exclude` | Get push notifications for all message changes except those relating to labelIds specified. |"]]