To put internal table in the cluster

Hi,

I have a client requirement where I need to push internal table P0008 in the cluster. How can I modify function EXPRT which puts internal table in the cluster. I have added infotype 0008 and P0008 in the input of function P0008 via tcode PE04 but in vain.

Please provide a way out. Amm i missing something when I am maintaining EXPRT via Tcode PE04.