permissions.php

См. документацию.

<?php
namespace Bitrix\Blog\Item;
 
class Permissions
{
    const DENY = BLOG_PERMS_DENY;
    const READ = BLOG_PERMS_READ;
    const PREMODERATE = BLOG_PERMS_PREMODERATE;
    const WRITE = BLOG_PERMS_WRITE;
    const MODERATE = BLOG_PERMS_MODERATE;
    const FULL = BLOG_PERMS_FULL;
}