Feature in Oracle where we can set automated duplicate check to trigger only if DOB is captured?

Summary:

Is there a feature in Oracle where we can set automated duplicate check to trigger only if DOB is captured?

Content (required):

When a job application reaches a specific state in a phase, the candidate duplicate check is automatically triggered but only if DOB is captured.

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

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