Hello Etana,
Thank for writing in!
What you are trying to do requires custom coding and this goes beyond the scope of our support under our Support Policy. If you are unfamiliar with code and resolving potential conflicts, you may select our One service for further assistance.
If you want to get your hands dirty and explore a few codes, you can check out this old threads instead:
The codes on the old threads above serves as an example code only. Feel free to modify it when needed. Please note that custom coding is beyond the scope of our support. You will have to maintain any custom coding to make sure that it will still work after any updates or does not create any issues or incompatibility in the future.
Best Regards.