question

Cadrick Loh avatar image
Cadrick Loh asked

How to know whether a user has linked to a certain service

How do I know whether a user has already linked to Facebook account?

So that I can display proper UI respectively.
For example:
If user hasn't link to Facebook, I'll show "Login to Facebook" button

if user has already linked to Facebook, I'll show "Logout from Facebook" button

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brendan avatar image
brendan answered

Once you've signed the user in using any authentication method, you can get information on all the user's linked authentication methods via GetAccountInfo.

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