type'comment' | 'task' | 'status_changed' | 'priority_changed' | 'unassigned' | 'assignee_changed' | 'due_date_changed' | 'title_changed' | 'description_changed' | 'create' required
{"stackTrail":"paths:/activity/comment:delete:responses:200:content:application/json:schema:properties:createdAt","oasType":"schema","type":"unknown"}
externalUserNamestring required
externalUserAvatarstring required
externalSourcestring required
externalUrlstring required