Upload infoobject from BW without hierarchy and create one automatic hierarchy in BPC

Hi experts,

I upload one BW infoobject without hierarchy but I want to create one hierarchy in BPC that groups all the members in one parent (the same for all of them):

                TOT_EMP

                               EMP_1

                               EMP_2

                               EMP_3

I tried to add the instruction in the transformation file when uploading the master data as follows:

PARENTH1=*STR(TOT_EMP)

But it fails…

Do you have any idea?

Thank you in advanced.