Change Parameter
EL Expression Result ${param.foo} bar ${param["foo"]} bar ${header["host"]} 127.0.0.1:8080 ${header["accept"]} text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 ${header["user-agent"]} CCBot/2.0 (https://commoncrawl.org/faq/)