sharing values between different sessions of a scenario

Hey Guys, I am using Gatling 3.1 version . I have a requirement to use same values for jsessionid for a each unique users over the period of test. I tried to follow this!topic/gatling/bfpKd_9d6gk, but this seems little old . So I am wondering is there any other options to achieve this?. My gatling and scala experience is only 1 week.

Thanks in advance