When Aware IM saves the document it will use whatever value is currently stored in the attribute that you have provided when defining the Document attribute. So your rules must make sure that the correct file path is set into this attribute.
For example, if you provide a rule like this:
MyObject.PathAttr = 'c:/temp/myfile.doc'
All document will always be written into the file with the above name. This is probably not what you want, so you will need to provide more elaborate rules
