example.js

export const config = {
  intent: ['bitcoin price']
}

export default function *(q) {
  const url    = 'https://api.coinbase.com/v2/prices/spot?currency=USD'
  const result = yield q.http.get(url)
  
  yield q.tell(`bitcoin (${result.data.currency}): $${result.data.amount}`)
  return result.data.amount
}