Allows users to merge their Facebook accounts with their existing account on the website. It may also be used to request additional information from new users who register through their Facebook account.

In order to work correctly, this web part must be placed on the page specified by the Required user data page value in Site Manager -> Settings -> Security & Membership -> Authentication -> Facebook Connect.

Help URL: http://devnet.kentico.com/docs/webparts/index.html?FacebookUsersRequiredData_overview.htm