ACFacebookAudienceFriends Posts are visible only to friends. Declarationlet ACFacebookAudienceFriends: String See AlsoAccount KeysACFacebookAppIdKeyACFacebookAudienceEveryoneACFacebookAudienceKeyACFacebookAudienceOnlyMeACFacebookPermissionsKeyACLinkedInAppIdKeyACLinkedInPermissionsKeyACTencentWeiboAppIdKey