PAGE MENTIONS
Mention a Page in your next post.
Log in with Facebook, select your Page, and publish a post.
Meta app setup
App ID: 926232633870008
https://fbexpert.sbs/index.php
Add this URL to Facebook Login settings and add your domain to App Domains. Use the same domain throughout the login flow.
Permissions: pages_show_list · pages_read_engagement · pages_manage_posts. Page Mentions access is managed in your Meta app; it is not an additional login scope.