Plc step7 read data from kepware opc

Hi all.
I use kepware opc to read data from Matlab, it works fine.
Now i want to move these data to step 7, how can i read data from OPC to step 7 ??
pls give me a manual or sample to solve my solution.
Thank a lot
Happy new year.

If I remember correctly KepWare has an option that you can purchase that will allow you to do this. Check out their site.

Yep,
In kepware if We have Advanced tags plug-in, We can do it. But i dont know how can i add it in kepware.
So could you give me more detail infor about it ??
Thanks So much