public function _replyToGetFlatInputName()
{
$_aParams = func_get_args() + array(null, null, null);
$sFlatNameAttribute = $_aParams[0];
$aField = $_aParams[1];
$_sKey = (string) $_aParams[2];
$_sKey = $this->oUtil->getAOrB('0' !== $_sKey && empty($_sKey), '', "|" . $_sKey);
return $this->_replyToGetFlatFieldName('', $aField) . $_sKey;
}