Create a Add button to duplicate relate fields on Front Panel?

[Secret_Agent_99]

Hi,
For example I am creating an Attendance Mangement Module for my HRM and I wanted have multiple holiday selected on the panel. For one employee I want to select multiple holidays for example Victoria Day, Canada Day, Christmas Day, ect. Instead of just having one holiday selected to relate to I wanted to have multiple days. Is there a way to do that in studio. If not I would I go about creating custom php code to have that extra feature as I need it.

Thanks