Have you tried using the next() function on the Document cursor? This allows you to iterate over all items in the document. Than you can test each item for the name (getName) and verify if it matched the name you are looking for… With getValue you can check whether it has the value you expected.
Check out the IS API in your developer/docs directory. It will show you the light. Do note however that follow any getName and getValue with a getLast. This is some aweful bug in wm. If you don’t it messes up your document in memory.
Chris