public async Task SignInAsync()

in Assets/Scripts/GameAuth.cs [102:130]
24 lines of code
2 McCabe index (conditional complexity)

    public async Task<string> SignInAsync(string userName, string password)
    {
        try
        {
            var provider = new AmazonCognitoIdentityProviderClient(new AnonymousAWSCredentials(), RegionEndpoint.APNortheast2);

            //Pool ID, Client App ID, Provider, ClientSecret
            CognitoUserPool userPool =
                new CognitoUserPool(GamePlayManager.Singleton.USERPOOL_ID,
                GamePlayManager.Singleton.CLIENT_ID,
                provider
                );
            CognitoUser user = new CognitoUser(userName, GamePlayManager.Singleton.CLIENT_ID, userPool, provider);        //Client ID does not mean App Client ID in User Pool
            AuthFlowResponse authResponse = await user.StartWithSrpAuthAsync(new InitiateSrpAuthRequest()
            {
                Password = password
            }).ConfigureAwait(false);

            //CognitoAWSCredentials credentials =
            //    user.GetCognitoAWSCredentials(GamePlayManager.Singleton.IDENTITYPOOL_ID, RegionEndpoint.APNortheast2);       //identityPoolID
            string jwt = authResponse.AuthenticationResult.AccessToken;
            return jwt;
        }
        catch (System.Exception e)
        {
            Debug.Log(e);
            return "";
        }
    }