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Membership withdrawal web URL link for Facebook login users

Description​

Backend.BMember.AuthorizeFederation("", FederationType.FaceBook);

In BACKND, when a user who signed in with Facebook using the method above tries to withdraw membership via the membership withdrawal web URL, the following configuration is required.

  1. BACKND Console > Authentication Information > Facebook Authentication Information - Enter Facebook App ID
  2. Facebook Developer > Allowed JavaScript SDK domain > Add storage.thebackend.io
How to implement Facebook login

Please refer to SDK Documentation > Game User Management > Federation Authentication > Facebook Authentication Example regarding implementation of Facebook login.

1. Enter Facebook App ID​

The Facebook App ID must be entered for login in BACKND Console > Authentication Information > Facebook Authentication Information.

2. Set allowed domains in JavaScript SDK​

1) Go to Facebook Developer Page, log in, and enter the linked project
2) From the side menu on the left, go to Product > Facebook Login > Settings tab
3) Go to Client OAuth Settings > JavaScript SDK, then enter the https://storage.thebackend.io value in the allowed domain

If a domain is not set

If a domain is not entered, the following error may occur in the web withdrawal link.