code: public function listTaskInstancesByInstanceAndTaskIdStarted($instance_id, $task_id)
      {
          list($response) = $this->listTaskInstancesByInstanceAndTaskIdStartedWithHttpInfo($instance_id, $task_id);
          return $response;
      }
docs: Operation listTaskInstancesByInstanceAndTaskIdStarted
  
  
  
  @param string $instance_id ID of the instance (required)
  @param string $task_id ID of the task (required)
  @return \ProcessMaker\PMIO\Model\TaskInstanceCollection
  @throws \ProcessMaker\PMIO\ApiException on non-2xx response