Connector::getLinkField

static function getLinkField();

/** Method should return a name of the "target" entity plus namespace but without trailing 'Table'. For example, for delivery this should be 'BitrixSaleDeliveryDelivery'
*
* @return string table name
*/
abstract public static function getTargetEntityName();

/**
* Returns a name of type filed. By default 'LOCATION_TYPE' is used for the most of. Does not make any sense if getUseGroups() returns false
*
* @return string
*/
public static function getTypeField()
{
	return 'LOCATION_TYPE';
}