text: 
  var Seneca = require('Seneca')
  
  run()
  
  async function run() {
    var si = await Seneca({ logger:'flat', log: 'debug', legacy: { transport: false } })
        .use('promisify')
        .use('..', {
          email: {
            send: false,
            transport: {
              name: 'sendgrid',
              options: {
                apiKey: process.env.SENDGRID_API_KEY
              }
            }
          }
        })
        .message('sys:mail,hook:render,code:foo', async function (msg) {
          if('html' === msg.part) {
            return {html:`<h1>Foo</h1> ${msg.content.bar} ooF`}
          }
        })
        .ready()
  
    var res = await si.post('sys:mail,send:mail', {
      code: 'foo',
      to: 'richard@ricebridge.com',
      from: 'info@voxgig.com',
      subject: 'QAZ',
      content: {
        bar: 'BarraB'
      }
    })
  
    console.log(res)
  }
  