CheckPermissionsFeature::onBeforeAction

public function onBeforeAction(Event $event)
{
	if(!Bitrix24Manager::isPermissionsFeatureEnabled())
	{
		$this->errorCollection[] = new Error(
			'Your plan does not support this operation', BitrixDocumentGeneratorControllerDocument::ERROR_ACCESS_DENIED
		);

		return new EventResult(EventResult::ERROR, null, null, $this);
	}

	return null;
}