friend xml used in checkpoint(xml chekpoint) and 
environment used in xml as the two actions in 
1.internal
2.external
     
     in qtp 8.2 test option selected in settings and go to 
environment as divided into 2 types userdefined and build
 click on userdefined varibles 
         add a value a and 10(internal)(1)
        add a value b and 20(internal)(2)
 1 and 2 are internal actions
 click on xml point in saved with(.xml )extension
 saved in xml as the select in desired location after 
finishing  automatical 1 and 2 statement are changed in 
external


        check points used in xml as 
insert checkpoint(recording may or may not) xml check point 
is enabled 
   notepad open 
              xml code
        eg:
          <myqualification>
        <name>kondalrao</name>
        <job>testengineer</job>
</myqualification> this xml as created