Overview of Events When Working with Tasks

Events allow applications to respond to changes in almost real-time: receiving notifications about the addition, update, or deletion of a task.

Detailed information on working with events is described in the article Concept and Benefits of Event Processing.

Quick navigation: all events

How to Receive EventsHow to Receive Events

You can subscribe to task events through:

• outgoing webhook
• application and the method event.bind

An example of a handler code for the event is described in the article How to Test Your Handler for Processing Bitrix24 Events.

Server Availability for Sending and Receiving EventsServer Availability for Sending and Receiving Events

The event handler server must be accessible from the outside. To configure the accessibility of the event handler server and application, refer to the article Required network access.

For cloud Bitrix24, no additional configuration is required. For on-premise Bitrix24, configure accessibility on the server or hosting according to the article Required network access.

Overview of EventsOverview of Events

Scope: task

Who can subscribe: any user

Event	Triggered
OnTaskAdd	When a task is added manually or via the method task.task.add
OnTaskUpdate	When a task is updated manually or through methods: task update status update, for example, via the method setting status to Completed delegation attaching a file to a task observing a task, for example, via the method starting observation managing dependencies between tasks, for example, via the method creating a dependency moving a task through stages
OnTaskDelete	When a task is deleted manually or via the method task.task.delete