// Connect to Acumatica
    context = new acumatica.Screen();
    context.CookieContainer = new System.Net.CookieContainer();
    context.AllowAutoRedirect = true;
    context.EnableDecompression = true;
    context.Timeout = 1000000;
    context.Url = Properties.Settings.Default.WebServiceURL;
    LoginResult result = api.context.Login(Properties.Settings.Default.AcumaticaUserName, Properties.Settings.Default.AcumaticaPassword);

    context.AR303010Clear();
    AR303010Content AR303010 = context.AR303010GetSchema();

    try
    {
    Debug.WriteLine("--- Payment Method Start ---");
        // Create Invoice
        AR303010.Actions.Save.Commit = true;
        AR303010Content[] AR303010Content = context.AR303010Submit
        (
            new Command[]
            {

                new Value { Value = "ABARTENDE", LinkedCommand = AR303010.PaymentMethodSelection.Customer, Commit = true },

                AR303010.Actions.Insert,

                new Value { Value = "VISA", LinkedCommand = AR303010.PaymentMethodSelection.PaymentMethod, Commit = true },

                new Key
                {
                    ObjectName = AR303010.PaymentMethodDetails.Description.ObjectName,
                    FieldName = AR303010.PaymentMethodDetails.Description.FieldName,
                    Value = "=[" + AR303010.PaymentMethodDetails.Description.ObjectName + "." + AR303010.PaymentMethodDetails.Description.FieldName + "]"
                },

                new Value {Value = "Card Number", LinkedCommand = AR303010.PaymentMethodDetails.Description},
                new Value {Value = "4000000000003636", LinkedCommand = AR303010.PaymentMethodDetails.Value, Commit = true},

                new Key
                {
                    ObjectName = AR303010.PaymentMethodDetails.Description.ObjectName,
                    FieldName = AR303010.PaymentMethodDetails.Description.FieldName,
                    Value = "=[" + AR303010.PaymentMethodDetails.Description.ObjectName + "." + AR303010.PaymentMethodDetails.Description.FieldName + "]"
                },

                new Value {Value = "Card Verification Code", LinkedCommand = AR303010.PaymentMethodDetails.Description},
                new Value {Value = "321", LinkedCommand = AR303010.PaymentMethodDetails.Value, Commit = true},

                new Key
                {
                    ObjectName = AR303010.PaymentMethodDetails.Description.ObjectName,
                    FieldName = AR303010.PaymentMethodDetails.Description.FieldName,
                    Value = "=[" + AR303010.PaymentMethodDetails.Description.ObjectName + "." + AR303010.PaymentMethodDetails.Description.FieldName + "]"
                },

                new Value {Value = "Expiration Date", LinkedCommand = AR303010.PaymentMethodDetails.Description},
                new Value {Value = "012015", LinkedCommand = AR303010.PaymentMethodDetails.Value, Commit = true},

                AR303010.Actions.Save
            }
        );

        Debug.WriteLine("--- Payment Method Created ---");
    }
    catch (Exception ex)
    {
        Debug.WriteLine(" --- Failed to create Payment Method ---");
        Debug.WriteLine(ex.Message);
    }

Error #12: Inserting  'Customer Payment Method Detail' record raised one or more errors. Please review. Error: 'Value' may not be empty. ---> PX.Data.PXOuterException: Error #12: Inserting  'Customer Payment Method Detail' record raised one or more errors. Please review.