How to confirm if purging candidate data is successful?

Summary:

We followed document
We finished all 4 steps in the document.
However, how can we confirm if it was successful?

This is the template we created and successfully run:

Result is the candidate still in Database but name changed

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):