Get a task instance

{
  "type": "object",
  "properties": {
    "dag_id": {
      "type": "string"
    },
    "dag_run_id": {
      "type": "string",
      "description": "The DagRun ID for this task instance\n\n*New in version 2.3.0*\n"
    },
    "duration": {
      "type": "number"
    },
    "end_date": {
      "type": "string",
      "format": "datetime"
    },
    "execution_date": {
      "type": "string",
      "format": "datetime"
    },
    "executor_config": {
      "type": "string"
    },
    "hostname": {
      "type": "string"
    },
    "map_index": {
      "type": "integer"
    },
    "max_tries": {
      "type": "integer"
    },
    "note": {
      "type": "string",
      "description": "Contains manually entered notes by the user about the TaskInstance.\n\n*New in version 2.5.0*\n"
    },
    "operator": {
      "type": "string",
      "description": "*Changed in version 2.1.1*: Field becomes nullable.\n"
    },
    "pid": {
      "type": "integer"
    },
    "pool": {
      "type": "string"
    },
    "pool_slots": {
      "type": "integer"
    },
    "priority_weight": {
      "type": "integer"
    },
    "queue": {
      "type": "string"
    },
    "queued_when": {
      "type": "string"
    },
    "rendered_fields": {
      "type": "object",
      "description": "JSON object describing rendered fields.\n\n*New in version 2.3.0*\n"
    },
    "sla_miss": {
      "type": "object",
      "properties": {
        "dag_id": {
          "type": "string",
          "description": "The DAG ID."
        },
        "description": {
          "type": "string"
        },
        "email_sent": {
          "type": "boolean"
        },
        "execution_date": {
          "type": "string",
          "format": "datetime"
        },
        "notification_sent": {
          "type": "boolean"
        },
        "task_id": {
          "type": "string",
          "description": "The task ID."
        },
        "timestamp": {
          "type": "string",
          "format": "datetime"
        }
      }
    },
    "start_date": {
      "type": "string",
      "format": "datetime"
    },
    "state": {
      "type": "string",
      "description": "Task state.\n\n*Changed in version 2.0.2*: 'removed' is added as a possible value.\n\n*Changed in version 2.2.0*: 'deferred' is added as a possible value.\n\n*Changed in version 2.4.0*: 'sensing' state has been removed.\n*Changed in version 2.4.2*: 'restarting' is added as a possible value\n",
      "enum": [
        "success",
        "running",
        "failed",
        "upstream_failed",
        "skipped",
        "up_for_retry",
        "up_for_reschedule",
        "queued",
        "none",
        "scheduled",
        "deferred",
        "removed",
        "restarting"
      ]
    },
    "task_id": {
      "type": "string"
    },
    "trigger": {
      "type": "object",
      "properties": {
        "classpath": {
          "type": "string"
        },
        "created_date": {
          "type": "string",
          "format": "datetime"
        },
        "id": {
          "type": "integer"
        },
        "kwargs": {
          "type": "string"
        },
        "triggerer_id": {
          "type": "integer"
        }
      }
    },
    "triggerer_job": {
      "type": "object",
      "properties": {
        "dag_id": {
          "type": "string"
        },
        "end_date": {
          "type": "string",
          "format": "datetime"
        },
        "executor_class": {
          "type": "string"
        },
        "hostname": {
          "type": "string"
        },
        "id": {
          "type": "integer"
        },
        "job_type": {
          "type": "string"
        },
        "latest_heartbeat": {
          "type": "string",
          "format": "datetime"
        },
        "start_date": {
          "type": "string",
          "format": "datetime"
        },
        "state": {
          "type": "string"
        },
        "unixname": {
          "type": "string"
        }
      }
    },
    "try_number": {
      "type": "integer"
    },
    "unixname": {
      "type": "string"
    }
  }
}