attributes.php

<?php
 
 
namespace Bitrix\Rest\Integration\View;
 
 
class Attributes
{
    const UNDEFINED = '';
    const HIDDEN = 'HID';
    const IMMUTABLE = 'IM';// User can define field value only on create
    const READONLY = 'R-O';// attributes R-O + IM look like REQ_ADD for the update operation. But then the value of this field will not change for update
    const REQUIRED = 'REQ';// attribute is the sum of attributes REQ_ADD + REQ_UPD
    const REQUIRED_ADD = 'REQ_ADD';
    const REQUIRED_UPDATE = 'REQ_UPD';
    const MULTIPLE = 'MUL';
    const DYNAMIC = 'DYN';
    const COMPUTABLE = 'COM';
    const DEPRECATED = 'DEP';
}