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(Quick Reference) # 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 | Quick Reference (hide)