Access records already registered (rowset) in Redwood business rules as in Autocomplete

Summary:

Hello, I need help, on the screen for editing contacts' national documents, I need to check all existing national documents already registered and see if any are missing, how can I access all of the person's existing documents?

Example: The contact has 3 national documents registered, if a certain document does not exist, I need it to give an error message, how can I check the contact's 3 existing documents in the rule? How can I access his list of existing documents?

Content (please ensure you mask any confidential information):

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

24D (11.13.24.10.0)

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