Can I know waht export for import command.?

Hi Gurus

I have a coomand IMPORT t_serialgsm_aux FROM MEMORY ID xvbap-vbeln in program exit MV50AFZ1.

I need know what program execute the EXPORT to memory id xvbap-vbeln .

I need understend how is select data into  t_serialgsm_aux .

Thanks for help Gurus.