1 / Create App.
2 / Install the app and use the plugin “Fanpage Persistent Menu”.
3 / How to send a request to provide pages_messaging permission to the facebook team
Here are the images that summarize the process of creating, installing App
Here are the images that summarize the process use Plugin
For all users to see the menu on fanpage, your App must have the pages_messaging privilege … Next make requests for pages_messaging and wait for approval from the facebook team.
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