front-api.js

// Assign conversation to teammate identified by username
{type: 'assign', teammate: 'andre'}

// Unassign conversation
{type: 'unassign'}

// Toggle archive / open
{type: 'toggle_archived'}

// Toggle move to trash / undelete
{type: 'toggle_trashed'}

// Reply
// subject, send_now, mark_archived are optional
// if send_now is true, then the reply will be sent immediately, otherwise a reply will be opened with the body you provided.
// if mark_archived is true, (and send_now is true), the conversation will be archived after sending the reply.
{type: 'reply', body: 'A reply', subject: 'a subject', send_now: true, mark_archived: true}

// Reply all
 {type: reply_all, body: 'A reply to everyone'}