Optional$metaAdditional metadata objects, store the metadata information from related tasks in a sequence or group
OptionalcancelledDate when the task was cancelled in ISO format
OptionalcompletedDate when the task was completed in ISO format
Date when the task was created
OptionaldurationDuration of the task in milliseconds
OptionalexecutedDate when the task was executed in ISO format
OptionalfailedDate when the task was failed in ISO format
Task priority
OptionalreasonReason of failure or cancellation
Status of the task
Task identifier, defined by the user
Unique task identification, unique for each task
Task weight
Metadata of the execution of the task