New Launch Pad creation

Hi Experts,

We have a requirement of new launch pad creation and to access the same from portal 7.3.

I have created the launch pad in R/3 Lpd_Cust transaction,but could not find a way to link it from portal.

We are on portal version  7.30.7 ,R/3: ECC6 EHP6.

Please help.

Thanks,

Anil.