@jhonnmick Lindon is right, you will want to spend most of your time looking at the SlotFx API.

I've shared one template on how you might handle this here:

Link Preview Image Modular FX Template - changing Fx order with drag and drop panels

Modular FX Template Every now and again I see a user posting about how to rearrange FX networks and a new method crossed my mind on how to approach it. This ...

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Forum (forum.hise.audio)

it's fairly recent but may be outdated now, as the most recent update of HISE contains a dynamic container which is well suited to this task. If you pull from the recent developer branch on github you can experiment with this (I haven't yet).