RegularCustomersGrid::prepare

public function prepare()
{
	$filterParameters = $this->getFilterParameters();;
	$categoryId = $filterParameters['CATEGORY_ID']['value'] ?: 0;
	$userPermission = \CCrmPerms::GetCurrentUserPermissions();
	if (!\CCrmDeal::CheckReadPermission(0, $userPermission, $categoryId))
	{
		return false;
	}

	$query = $this->prepareQuery();
	return Application::getConnection()->query($query)->fetchAll();
}