The "Five Wishes" Living Will is a legally-valid tool you can use to ensure your wishes and those of your loved ones will be respected even if you can't speak for yourself.
Simply fill in the e-mail addresses of the person(s) you wish to tell about this Link, your name and e-mail address (so that they do not think it is spam). If you want to, you can also enter an optional message that will be included on the e-mail.