Rulemanager is a key part of the Clarify/Dovetail system that processes events and uses configurable business rules to respond. Business rules consist of events, conditions, and actions. Common actions include notifying users or executing commands. Notifications can be sent to individuals, groups, or based on notification preferences. Command line actions allow calling APIs, scripts, or taking other automated actions. Rulemanager provides flexibility to customize rules and properties to meet various business needs.