public function removeRelation(Vtiger_Request $request) { $relationId = $request->get('relationId'); $response = new Vtiger_Response(); try { Vtiger_Relation_Model::removeRelationById($relationId); $response->setResult(['success' => true]); } catch (Exception $e) { $response->setError($e->getCode(), $e->getMessage()); } $response->emit(); }