(refas tag="user")/path/to/userfile.xml(/refas)
username : username first name : first_name surname : sur_name
#### print axml(qq@(refas tag="user")/path/to/userfile.xml(/refas)@); print qq@
username : username first name : first_name surname : sur_name
@; ##
## (refas path="/path/to/userfile.xml")
username : username first name : first_name surname : sur_name
(/refas)