TaskUnlinkedEvent

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

Removes a task_rel edge, unlinking a task from a previously linked entity.

Trigger

Triggered by: POST /event (universal event dispatcher)

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

Preconditions

• Task exists with key info.task_key
• A task_rel edge exists from the task to the target entity

State Changes (Transaction)

Collections: task_rel

• task_rel edge deleted where _from = Task/{task_key} and _to = {link_type_collection}/{link_key}

Side Effects (post_processing)

Publishes to progress.notification.task after commit.

InfoModel Fields

Field	Type	Description
task_key	str	ArangoDB key of the task
link_type	str	Type of entity being unlinked
link_key	str	ArangoDB key of the target entity

Related Events

None.

Source

TaskUnlinkedEvent on GitHub