public function createConversionHistory($destinationID) {
        $obj=new KapostConversionHistory();
        $obj->Title=$this->Title;
        $obj->KapostChangeType=$this->KapostChangeType;
        $obj->KapostRefID=$this->KapostRefID;
        $obj->KapostAuthor=$this->KapostAuthor;
        $obj->DestinationType=$this->DestinationClass;
        $obj->DestinationID=$destinationID;
        $obj->ConverterName=Member::currentUser()->Name;
        $obj->write();
        
        return $obj;
    }