CompanyDataProvider::prepareListFilterParam

public function prepareListFilterParam(array &$filter, $fieldID)
{
	if($fieldID === 'TITLE'
		|| $fieldID ===  'BANKING_DETAILS'
		|| $fieldID ===  'COMMENTS'
	)
	{
		$value = isset($filter[$fieldID]) ? trim($filter[$fieldID]) : '';
		if($value !== '')
		{
			$filter["?{$fieldID}"] = $value;
		}
		unset($filter[$fieldID]);
	}
}