attributes.php

<?php
 
 
namespace Bitrix\Sale\Rest;
 
 
class Attributes
{
    const Undefined = '';
    const Hidden = 'HID';
    const ReadOnly = 'R-O';
    const Immutable = 'IM'; //User can define field value only on create
    const Required = 'REQ';
    const Multiple = 'MUL';
    const Dynamic = 'DYN';
    const Computable = 'COM';
    const Deprecated = 'DEP';
}