$this->onEnd = CRM_Utils_Array::value('onEnd', $runnerSpec, NULL);
$this->onEndUrl = CRM_Utils_Array::value('onEndUrl', $runnerSpec, NULL);
$this->pathPrefix = CRM_Utils_Array::value('pathPrefix', $runnerSpec, 'civicrm/queue');
$this->onEnd = CRM_Utils_Array::value('onEnd', $runnerSpec, NULL);
$this->onEndUrl = CRM_Utils_Array::value('onEndUrl', $runnerSpec, NULL);
$this->pathPrefix = CRM_Utils_Array::value('pathPrefix', $runnerSpec, 'civicrm/queue');