Attributes for activity task failed events (final failure after all retries).
| Field | Type | Required | Description |
|---|---|---|---|
task_id |
str | ✔️ | Unique identifier for the activity task within the workflow. |
activity_name |
str | ✔️ | The registered name of the activity being executed. |
attempt |
int | ✔️ | The final attempt number that failed (1-indexed). |
failure |
models.Failure | ✔️ | Represents an error or exception that occurred during execution. |