BaseAccessController::getEntityFilter

public function getEntityFilter(string $action, string $entityName, $params = null): ?array
{
	$filter = $this->filterFactory->createFromAction($action, $this);
	if (!$filter)
	{
		return null;
	}

	$params = (array)($params ?? []);
	$params['action'] = $action;

	return $filter->getFilter($entityName, $params);
}