Export only subitems of an Item on a board

I have a board that will have multiple items each with their own subitems. I need to be able to export only the subitems of a specific Item.

You can export the item and include subitems, but it is messy on a spreadsheet and requires the user to clear out all the non-subitem information and Monday branding. If I could check the subitem boxes and hit “export” like you can do with Items, it would be perfect.

I’ve tried Gorilla Spreadsheet, but it exports all subitems on the board instead of just the ones I am after.

Is there some marketplace app or solutoin that will do what I’m after?