In the menu, go to PlayFab > MakePlayFabSharedSettings to edit the “PlayFabSharedSettings”. With the component “Facebook Gameroom Build Support”: In the menu, go to File > Build Settings… > Player Settings…, select “Facebook Settings” and in “Publishing Settings”, in the input box to the right of “AppID”, paste in your Facebook App ID (found in your app’s Basic Settings page in Facebook).In the input box under “App Id”, paste in your Facebook App ID (found in your app’s Basic Settings page in Facebook). With the Facebook SDK: In the menu, go to Facebook > Edit Settings to edit the “FacebookSettings”.If you get this error, remove the Facebook SDK Unity package from the project. Otherwise you will get the error “‘Facebook.UnitySettings’ has already been imported”. If you have chosen “Facebook Gameroom Build Support” when installing Unity, do not download the Facebook SDK because it is already imported.

The first thing to do is downloading the SDKs for Unity and importing them in your project.

Here you have my basic tutorial to start a game with Unity + Facebook + PlayFab. I am currently working on a game for Facebook, using Unit圓D and PlayFab, a backend platform which provides many useful features such as multiplayer, data storage, analytics, commerce, etc.

Playfab unity sdk