class_docstr: Operator link for TriggerDagRunOperator.
  
  It allows users to access DAG triggered by task using TriggerDagRunOperator.
class_docstr_tok: ["Operator","link","for","TriggerDagRunOperator",".","It","allows","users","to","access","DAG","triggered","by","task","using","TriggerDagRunOperator","."]
code: def get_link(
      self, operator: BaseOperator, *, ti_key: TaskInstanceKey
  ) -> str:
      # Fetch the correct execution date for the triggerED dag which is
      # stored in xcom during execution of the triggerING task.
      when = XCom.get_value(ti_key=ti_key, key=XCOM_EXECUTION_DATE_ISO)
      query = {
          "dag_id": cast(
              TriggerDagRunOperator, operator
          ).trigger_dag_id,
          "base_date": when,
      }
      return build_airflow_url_with_query(query)
  
imports: from __future__ import annotations
  import datetime
  import json
  import time
  from typing import TYPE_CHECKING, Any, Sequence, cast
  from sqlalchemy import select
  from sqlalchemy.orm.exc import NoResultFound
  from airflow.api.common.trigger_dag import trigger_dag
  from airflow.configuration import conf
  from airflow.exceptions import AirflowException, DagNotFound, DagRunAlreadyExists
  from airflow.models.baseoperator import BaseOperator
  from airflow.models.baseoperatorlink import BaseOperatorLink
  from airflow.models.dag import DagModel
  from airflow.models.dagbag import DagBag
  from airflow.models.dagrun import DagRun
  from airflow.models.xcom import XCom
  from airflow.triggers.external_task import DagStateTrigger
  from airflow.utils import timezone
  from airflow.utils.helpers import build_airflow_url_with_query
  from airflow.utils.session import provide_session
  from airflow.utils.state import DagRunState
  from airflow.utils.types import DagRunType
label_desc: Use image node_id 1 for calling the TriggerDagRunLink obj's underlying member method code with example usage: obj.get_link(operator) and returns: build_airflow_url_with_query