I'm also a bit confused about where to post Load Test messages. The "Dont' post here until.." message mentions this
Robot (this forum) is for discussion & questions about Rational Robot. Robot now handles performance (VU) and functional (GUI) scripting.
<font size="2" face="Verdana, Arial, Helvetica">Since Robot VU = Load Test, let's tackle the answer here.
Correlation should be automatic, meaning that the scritp generator should pick up anything that looks like it needs to be correlated.
If however this is not happening, the responses are available at run-time in the read-only variable _response. Use this in the paramaters of the match command to pull your hidden values / session ids into variables that you can use in following requests.