| task_id | str | | [optional] |
| dag_id | str | | [optional] |
| dag_run_id | str | The DagRun ID for this task instance New in version 2.3.0 | [optional] |
| execution_date | str | | [optional] |
| start_date | str, none_type | | [optional] |
| end_date | str, none_type | | [optional] |
| duration | float, none_type | | [optional] |
| state | TaskState | | [optional] |
| try_number | int | | [optional] |
| map_index | int | | [optional] |
| max_tries | int | | [optional] |
| hostname | str | | [optional] |
| unixname | str | | [optional] |
| pool | str | | [optional] |
| pool_slots | int | | [optional] |
| queue | str, none_type | | [optional] |
| priority_weight | int, none_type | | [optional] |
| operator | str, none_type | Changed in version 2.1.1: Field becomes nullable. | [optional] |
| queued_when | str, none_type | | [optional] |
| pid | int, none_type | | [optional] |
| executor_config | str | | [optional] |
| sla_miss | SLAMiss | | [optional] |
| rendered_fields | {str: (bool, date, datetime, dict, float, int, list, str, none_type)} | JSON object describing rendered fields. New in version 2.3.0 | [optional] |
| trigger | Trigger | | [optional] |
| triggerer_job | Job | | [optional] |
| note | str, none_type | Contains manually entered notes by the user about the TaskInstance. New in version 2.5.0 | [optional] |
| any string name | bool, date, datetime, dict, float, int, list, str, none_type | any string name can be used but the value must be the correct type | [optional] |