How to configure Repeater Accordion in ES2?

Hi

Am developing a form guide in ES2 ,I want to have a repeating section .

Used Repeater Accordion, but Add button and copy button is not working.

In ES 8.2 we can develop form guides from Pdf form.There the repeating logic is in pdf.

I want to dynamically add new sections..How can i implement that capability in form guide?

Thanks,

Lissa