Restrict a payment method in self service based on another payment method

Summary

Conditional logic for payment methods

Content

Hi Oracle group,

We have a different requirement where we do NOT allow an employee to be able to add 'Direct Deposit' (Payment method) if they are enrolled in a different method in their self-service already (Let us call that payment method XYZ). Is there a way to add logic stating that if payment method XYZ is active - We drop an error message that the person cannot select direct deposit unless the previous one is removed?

I thought of auto-complete or transaction studio - But does not look like that is the right approach.