File (attribute of reference)
From JRapid
The "file" attribute is used in the reference element to specify the directory where to find the module that wants to be included by the reference element.
Usage
<reference name = NAME file = FILE />
Example
<app name="MyModule">
...
<reference name="OtherModule" file="${some.java.var}/project/othermodule.xml" />
...
</app>
