kernel/lib/Form.php
public function synchronizeEntity($sSynchronizeEntity, $iId = null)
    {
        if ($iId !== null) { $this->_iIdEntity = $iId; }

        $this->_sSynchronizeEntity = $sSynchronizeEntity;
        return $this;
    }
public function synchronizeEntity($sSynchronizeEntity, $iId = null)
    {
        if ($iId !== null) { $this->_iIdEntity = $iId; }

        $this->_sSynchronizeEntity = $sSynchronizeEntity;
        return $this;
    }
set the entity to synchronize with the formular

@access public
@param $sSynchronizeEntity
@param  int $iId id of the primary key
@return Form
@internal param string $sSeparator separator between the fields