DocumentationGrafana k6JavaScript APIk6/httpCookieJarCookieJar.set(url, name, value, [options])
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CookieJar.set(url, name, value, [options])

Set a cookie in the jar by specifying url, name, value and some other optional settings like domain, path, etc.

urlstringCookie URL
namestringCookie name
valuestringCookie value
options (optional)objectSpecific cookie settings: domain, path, expires, max_age, secure and http_only.


import http from 'k6/http';
import { check } from 'k6';

export default function () {
  const jar = http.cookieJar();
  jar.set('', 'my_cookie', 'hello world', {
    domain: '',
    path: '/cookies',
    secure: true,
    max_age: 600,
  const res = http.get('');
  check(res, {
    'has status 200': (r) => r.status === 200,
    "has cookie 'my_cookie'": (r) => r.json().cookies.my_cookie !== null,
    'cookie has correct value': (r) => r.json().cookies.my_cookie == 'hello world',