subfolder problem

I have downloaded the example subfolder.hazelrules file and then appended to it a rule to change the label colour. This happily works its way through the folder hierarchy changing the label colour.. However, when I replace the rule to change the label colour to one to append today's date (which is actually what I want to do) then it only works on the top folder not in its subfolders. Suggestions?

Can you post the rule as you have it now?