How to create fields with dependencies between them?

Summary:

How to create accounting flexfields at journal line level with dependencies between them?

That is, if I create a field with an ID and when I fill it out and in the next field the description of the iD is displayed?

Content (please ensure you mask any confidential information):

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

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