There is a possibility that when you select an option on a choice button, you make an instruction.
For this example what I want is that when I click on the “Totalmente” option, the amount in the “Diferencia” field is changed to “Pago Final” and automatically fills the "Fecha Pago field with the current date and the “Entregado” field is changed to “Sí”. 
Many Thanks for your support
