Adding Function Parameters
Before you can use input parameters in a user-defined function, create them in the same panel as you create the function or edit the existing function.
Before you can use input parameters in a user-defined function, create them in the same panel as you create the function or edit the existing function.
If you need help finding the User-defined functions page, see Listing Function Libraries.
If a parameter that you want to use is already added, it's listed under Input parameters.
The parameters are listed under Input parameters in the Expression builder section.