Nested repeating groups multiselect dropdown

Hi all,

I’ve searched high and low for an answer to this but can’t seem to find what I’m looking for. I’ve got a 3-nested repeating group setup. I want to search/filter the results of the parent repeating group based on whether selected values in a multiselect dropdown are in the grandchild (3rd level) repeating group. Can anyone help me out with this?


Using :advanced could probably help; like this:

Thanks @maze I decided to restructure my data to better fit my need.

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That’s probably an even better decision