code: function onRequestDestroyAgent(session, channel, message) {
    var id = message.body.id
  
    var agent = session.getAgentByID(id)
    if (!agent) return
  
    channel.sendMessage({
      type:  "response",
      name:  message.name,
      from:  message.to,
      id:    message.id,
      body:  message.body
    })
  
    agent.shutDown()
    channel.delAgent(agent)
  }
docs: ------------------------------------------------------------------------------