ACFacebookAppIdKey The Facebook App ID, as it appears on the Facebook website. Declarationlet ACFacebookAppIdKey: String See AlsoAccount KeysACFacebookAudienceEveryoneACFacebookAudienceFriendsACFacebookAudienceKeyACFacebookAudienceOnlyMeACFacebookPermissionsKeyACLinkedInAppIdKeyACLinkedInPermissionsKeyACTencentWeiboAppIdKey