gooleSignIn.clientID = //clientID;
    gooleSignIn.shouldFetchGooglePlusUser = YES;
    gooleSignIn.shouldFetchGoogleUserEmail = YES;
    gooleSignIn.attemptSSO = YES;
    gooleSignIn.scopes = @[kGTLAuthScopePlusLogin];
    gooleSignIn.delegate = self;

    [gooleSignIn authenticate];