session
Purpose
The session object is an instance of the Servlet API's HttpSession class.Examples
class UserController { def logout() {
log.info "User agent: " + request.getHeader("User-Agent")
session.invalidate()
redirect(action: "login")
} def login() {}
}Description
The HttpSession class is useful for associated session data with a client.The additional methods added to the session object are documented in the Grails Servlet API reference guide