| dry_run | bool | If set, don't actually run this operation. The response will contain a list of task instances planned to be cleaned, but not modified in any way. | [optional] if omitted the server will use the default value of True |
| start_date | str | The minimum execution date to clear. | [optional] |
| end_date | str | The maximum execution date to clear. | [optional] |
| only_failed | bool | Only clear failed tasks. | [optional] if omitted the server will use the default value of True |
| only_running | bool | Only clear running tasks. | [optional] if omitted the server will use the default value of False |
| include_subdags | bool | Clear tasks in subdags and clear external tasks indicated by ExternalTaskMarker. | [optional] |
| include_parentdag | bool | Clear tasks in the parent dag of the subdag. | [optional] |
| reset_dag_runs | bool | Set state of DAG runs to RUNNING. | [optional] |