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I wanna build a system to push notifications on the users wall when the person is online or not on Facebook.

I will use some kind of "Login button" with offline_access and publish_actions.

But how can i know the user and push to the persons wall when the person is offline?

1 Answers1

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See this documentation , I think it will help : https://developers.facebook.com/docs/app_notifications/

And view this post : Get long live access token from Facebook

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