exports.handler = function slash(event, context, callback) {
  callback(null, {
    text: 'Hello!',
    attachments: [{
      text: 'Click the button',
      fallback: 'Click the button',
      callback_id: 'clicky',
      color: '#eheheh',
      actions: [{
        name: 'hello',
        text: 'hello',
        type: 'button',
        value: 'eh'
      }]
    }]
  })
}