FB Messenger Bot 🤖 — How to Identify a User via Page- & App-Scoped User-ID’s
Philipp Holly

OK thanks Phillip

So that means I have to put the user through my app’s authentication process when they click to log-in to the messenger bot? 
I need to link the user facebook account (PSID) with any existing account they may have with my app.
Tell me does the user get given a PSID only when they click to login or are they assigned one as soon as they message my page?

Thanks again!


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