$model->save(array(
		'company_id' => $item->company_id,
		$relation->pivotLocalKey => (int)$this->getId(),
		$relation->pivotForeignKey => (int)$value
	));

	$this->belongsToMany('groups', // name
		'groups', // foreignModelClass
		'id', // localKey
		'id', // foreignKey,
		'usergroups', // pivotModelClass,
		'user_id', // pivotLocalKey
		'group_id', // pivotForeignKey
		'company_id' // pivotCompanyKey ************
	);