How to use EXPORT / IMPORT to Memory

Question

I'm trying to export a value for an enhancement inside a BAPI call, that is executed in a background update task. But the value is not being read inside the enhancement, however if I do a local test the value is read correctly from memory.

Any ideas as to why this doesn't work?

This is my code:

Export program:

DATA: lv_id TYPE char30.

CONCATENATE 'ZTCODE' sy-uname
  INTO lv_id.

EXPORT ztcode FROM iv_tcode TO MEMORY ID lv_id.

Import program(inside enhancement):

DATA: lv_tcode  TYPE sy-tcode,
      lv_id     TYPE char30.

CONCATENATE 'ZTCODE' sy-uname
  INTO lv_id.

IMPORT ztcode TO lv_tcode FROM MEMORY ID lv_id.

Solution

Apparently you are trying to transfer data from a user session to a background/update session. This won't work using the ABAP memory. Check the documentation on the ABAP Memory Organization: An RFC call or an update module is run in a different user session which has a different ABAP Memory.