How to override ceiling step at assignment level?

Summary:

 How to override ceiling step at assignment level? Documentation says it is possible, but does not give enough details.

Content (required):

https://docs.oracle.com/en/cloud/saas/human-resources/22d/fawhr/what-s-a-ceiling-step.html#s20030763

Version (include the version you are using, if applicable):

23A

Code Snippet (add any code snippets that support your topic, if applicable):