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I am working on a plugin that uses facebook logins to post information to a user's facebook wall. If the user has not already approved the publish_stream permission, I'd like to request it whenever they make a new post.

As far as I can tell, it doesn't look like process_event has a way to pause the processing of any of these events. Is there another way, either through process_event or through some sort of override that I could request said permission and wait for the user to respond before I continue?

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