addHeader( key, value )

import { Httpx } from 'https://jslib.k6.io/httpx/0.1.0/index.js';

const session = new Httpx({ baseURL: 'https://quickpizza.grafana.com' });

session.addHeader('Authorization', 'token abcdef0123456789');

export default function () {
  session.get('/api/ratings');
}