Clicking on the button will open a separate CR View Changes for Creditor window:
Add the relevant criteria and click on the button and the details will be provided in a grid below this screen:
Clicking on the links within the Action or Type column will open a new screen providing further details for that line.
Clicking on the button will remove any Grid displayed at the bottom of the form as well as remove any search criteria added to the form, allowing you to perform a new search.