OptionalcompletedTimestamp when the task was completed/failed (if applicable).
OptionalcorrelationCorrelation ID for tracking related tasks across the system.
Timestamp when the task was created (Unix timestamp in milliseconds).
OptionaldelegatedTimestamp when the task was delegated to a remote agent (if applicable).
OptionalestimatedEstimated completion time in milliseconds (if provided by remote agent).
OptionalinitiatedThe user or system that initiated this task.
OptionallastTimestamp when the task was last updated (for compatibility).
OptionalmaxMaximum number of retry attempts allowed.
OptionalretryNumber of retry attempts made for this task.
OptionalstartedTimestamp when the task was started (if applicable).
OptionaltagsTags or labels for categorizing tasks.
OptionaltimeoutTimeout duration in milliseconds.
Timestamp when the task was last updated (Unix timestamp in milliseconds).
Represents metadata about A2A task execution.
A2ATaskMetadata