Checking your savings account balance using the bot

In this section, I will explain about how to build a FormFlow to check your savings account balance.

To check your balance, we need an account number and PIN. For that, we will add a class called Balance with two fields: AccountNumber and PIN. Next, we will define a public property for the Balance class in the Customer class, and finally we will append the Balance field to the builder object:

    [Serializable] 
    class Balance 
    { 
        [Prompt("Please enter your account number")] 
        public string AccountNumber; 
        [Prompt("Please enter your pin")] 
        public string PIN; 
    }; 

In the Customer class, define the Savings_Balance property:

            //Savings Account Balance Template  
            public Balance Savings_Balance; 

Append the Savings_Balance property to the builder object before the OnCompletion method:

         builder.Field("Savings_Balance.AccountNumber", isBalance, 
         validate: async (state...