src/DataFormatter.php
public function getRealFieldName($className, $field)
    {
        $apiMapping = $this->getApiMapping($className);
        return $this->getMappedKey($apiMapping, $field);
    }
public function getRealFieldName($className, $field)
    {
        $apiMapping = $this->getApiMapping($className);
        return $this->getMappedKey($apiMapping, $field);
    }
public function getRealFieldName ( $ className , $ field ) { $ apiMapping = $ this -> getApiMapping ( $ className ) ; return $ this -> getMappedKey ( $ apiMapping , $ field ) ; }
Get the DataObject field name from its alias

@param string $className
@param string $field
@return string
Get the DataObject field name from its alias