gistfile1.js

         this.on('componentload', function (instance) {
           switch (instance.name) {
             case "email":
               this.email.on("addrecipients", function(parameters){
                    console.info("addrecipients event parameters:",  parameters);
                    console.info("this:", this);
                    this.addRecipients(parameters);
                });
                this.email.on('sendmessage', function(message_id){
                   this.sendMessage({message_id: message_id});
                }, this);
                this.email.on('addlist', function(selection){
                   console.info('selection:', selection);
                   this.addListMember({
                       mailing_list_id: selection.selections.keys[0],
                       message_id:      this.messageId
                   })
                }, this);                
               break;
             case "letter":
               this.letter.on("addrecipients", function(parameters){
                    console.info("addrecipients event parameters:",  parameters);
                    console.info("this:", this);
                    this.addRecipients(parameters);
                }, this);
               break;

           }          
         });