hfss V13 current patern

I m done with the patch antenna @2.4Ghz in HFSS V13. now the prob is , i want to see current distribution in hfss . Can any one help me , how to cheak current in hfss13 step by step pl...
Can anyone share HFSS 13 user guide pl..

select the object on which you want to have the current pattern then...right click---->plot fields---->select J ----> vector_jsur-----> change the soulution setup to sweep ----> select your desired frequency.