Nesting multiselect dropdown with result from another multiselect dropdown

I’m trying to nest the result from a selection from a multiselect dropdown to another multiselect dropdown.

  • example:
    –>First menu : Math / Science / Literature
    –>Second menu (if user selected Math and Literature): algebra / geometry / Anglo Saxon / Roman
    The result of the second menu come from the selection from the first menu (Math and Literature) if the user would select only Math the result would be ; algebra and geometry.
    Thanks !

You can do this by creating a one category <> many subcategories relationship between your two collections. Then relate the records accordingly.

On your second drop down you can use a filter of current “subcategory>category(relationship)>Name” contains input from dropdown 1 selection>name.

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