Optionalcompleted_Optional. Chat that completed the task; omitted if the task wasn't completed by a chat
Optionalcompleted_Optional. User that completed the task; omitted if the task wasn't completed by a user
Optionalcompletion_Optional. Point in time (Unix timestamp) when the task was completed; 0 if the task wasn't completed
Unique identifier of the task
Text of the task
Optionaltext_Optional. Special entities that appear in the task text
Describes a task in a checklist.