Can we make Discount Rule Name field as Drop down

Summary:

Hi Team,

Could you please help us confirm if we can make the Discount Rule name field as Drop down field.

User Requirement is : They have some predefined Discount rule, when they try to create a Attribute based Discount rule : the name field should appear as a drop down :

Exact requirement is as mentioned below:

1. Discount rule name should not be freeform, it should be selected from a dropdown of available names.
2. GL Account Debit & GL Account Credit field should prepopulate based on the discount rule name selected above.
3. EDI Allow code should prepopulate based on the discount rule name selected above.