Import/export to memory and global variables

Hi,
Im working on some functionality using import/export to memory. One of the statements is:
import gf_memid_exit = g_exit_flag gf_memid_result = t352r from memory id 'ZREV_EXT'.
Im using global variables to contain the cluster names. But this is not working. When I change the global variables into local variables, it works. It this normal? Because I would like to have global variables (even better I would like to have global constants) to declare in order to use them within the program.
Any ideas?
With regards,
Mike

Hi Mike...
I think with import u can use global or local variables..in debug mode pl. check when u r using global variables..whether it is getting cleared or overwritten by some other values or not. Or try with global constants..it should work...
Regards,
Joy.

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