Submit multiple forms in repeat with flow

I have a repeat (a table) with a form

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I would like to be able to submit all one after another.… So when one ends the next one starts submitting. I thought the easiest way would be to build a flow for that but there doesn’t seem to be a way to simply do a Repeat or a While is there?

I can set a dynamic id to the forms with dmx-bind:id="exportToPresta{{$index}}" but I can’t reference them with flow, can I?

It’s important for me that the forms are submitted in turns because submitting all at once (with e.g javascript) will overload the server… So I figured I’d move the process to the client side and maybe have a like a dialog box showing progress…