I have created an app, and now i want to post a message on one of my friends wall with use of the new Graph API. Is this do-able?
I am already using oAuth and the Gr
You'll need the "publish_stream" extended permission in order to write to the feed. Here is a complete list of them: http://developers.facebook.com/docs/authentication/permissions.
In order to get the extended permission, get the authorization token in this way:
https://graph.facebook.com/oauth/authorize?
client_id=...&
redirect_uri=http://www.example.com/callback&
scope=publish_stream