Pathcopy question

I’m having trouble using the pathcopy option. The messages are formatted as follows:

  Input     Output

  MSH      MSH

  PID       PID

  [PV1]    [PV1]

  OBR      [ORC]

  {OBX}  OBR

              [{NTE}]

              {

                OBX

                 [{NTE}]

               }

I want to pathcopy the repeating OBX segments. I’ve tried it using and not using iteration. I can copy a field at a time, but not pathcopy the entire segment. Any help would be appreciated.