Hi Femina,
I think you need to iterate over the field. Try something like:
ITERATE Type:field Basis:1(0).OBR.00260 Variable:%f1
Within this Iterate you can access each occurrence by using %f1:
COPY 1(0).OBR.00260(%f1).[0] -> @ID
Hope this helps,
Zuyderland Medisch Centrum; Heerlen/Sittard; The Netherlands