I want to use if controller in my jmeter load testing. The test is:
- do a post and get back an access token.
 - use that access token to get the next link.
 
My issue:
I have the access token and have used the post-assertion->regular expression extractor and got the access token from he http response. But now I don't know how to use the if control and ask it do next test only if the http response code is 200. And second question is can i still pass my regular expression value of access token into the if loop's http header manager?
attaching the screen shot of my jmeter.