Need help for repeating group pagination

[luzonak]

I have here some list of topics when i click I want to display in my repeating group but when I add some show next buttons it doesn’t work here are some examples of what I’m trying to achieve .

Here is the list of topics, when i clicked this shows

And in the bottom some paginations please help I’m stuck thinking a way for this.

[williamtisdale]

You will need to use custom states. Set the state on page load and on clicks and then the next/previous button can reference these states to know which one is next or previous.