TaskCompletedEvent

EventType: TASK_COMPLETEDDomain: collaboration Broker subject: progress.notification.task

Marks a task as completed by setting status → COMPLETED and recording the closed timestamp and closed_by user key.

Trigger

Triggered by: POST /event (universal event dispatcher)

Dispatched via POST /event in backend/api/endpoints/traceability.py with event_type: TASK_COMPLETED.

Preconditions

• Task exists with key info.task_key
• Task status is OPEN or IN_PROGRESS

State Changes (Transaction)

Collections: Task

• Task updated: status → COMPLETED, closed timestamp, closed_by

Side Effects (post_processing)

Publishes to progress.notification.task after commit.

InfoModel Fields

Field	Type	Description
task_key	str	ArangoDB key of the task
closed	datetime | None	Timestamp of completion (defaults to now)
closed_by	str | None	User key of the person closing the task

Related Events

None.

Source

TaskCompletedEvent on GitHub