I am working on a Jmeter login script. To create this script I used blazemeter. The thing is that it is not working correctly as I get a http 403 response code.
Thanks to fire fox I know that in my header I need to send the next data whenever I do a GET to the web page:

This is how I do it in JMETER:

The problem I am having is that the session id is not working correctly. I dont know if this is the problem why I have a 403 response code but it is still a problem. I tried everything to solve this error code but I failed so I need to start from the beginning
Look at this:

Do you have any suggestions to resolve this problem of the sesison id? If you do, I would really appreciate it
UDPATE:
I changed the variable in the petition because I was naming it wrong but I am still having issues. No id appears:



