Amount Related Functions
$$AmountAdd
This function adds the two amount values passed as parameters.
Syntax
$$AmountAdd:<Expression 1>:<Expression 2>
Where,
<Expression 1> and <Expression 2> can be any expression which returns an amount value.
Example
Set: vTDSNotApplAmt : $$AmountAdd:##vTDSNotApplAmt:@@TDSLedAmount