{ identifier:'name', label:'name', items:[ { name:'Personal Folders', type:'folder', children:[ {_reference:"INBOX"}, {_reference:"Drafts"}, {_reference:"Sent"}, {_reference:"Trash"} ] }, { name:"INBOX", type:"mailbox" }, { name:"Drafts", type:"mailbox" }, { name:"Sent", type:"mailbox" }, { name:"Trash", type:"garbage" }, { name:"Subscribed Folders", type:'folder'} ] }