Facebook will not allow developers pre-fill messages. Developers may customize the story by providing OG meta tags, but it's up to the user to fill the message. This is only possible if you are posting on the user's behalf, which requires the user authorizing your application with the publish_actions permission.
AND even then: RIP to Facebook Messenger’s desktop app. The native app for Mac and Windows is no longer available to users as of today, , and existing users are being directed to the Facebook ... I am trying to extract the url for facebook video file page from the facebook video link but I am not able to proceed how. For example: The facebook video url I have is: https://www.facebook.com/nerdandco/videos/1662140250706521/ In the facebook developers console for your app, go to App Review-> Permissions and Features.
facebook website not app, Set the public_profile and email to have advanced access. This will allow all facebook users to have access and these two settings are auto granted. Ensure the Access Level indicates Advanced Access How to resolve Facebook Login is currently unavailable for this app ... from my Android app, I would like to open a link to a Facebook profile in the official Facebook app (if the app is installed, of course). For iPhone, there exists the fb:// URL scheme, but trying the In my Facebook account, where can I find these application IDs, secret key, all?