Check out our Shopify Overview before you start.
- Go to Themes and expand the dropdown next to the customise button.
Click edit code.
![](https://s3-eu-central-1.amazonaws.com/euc-cdn.freshdesk.com/data/helpdesk/attachments/production/80200243828/original/uNE7aCj2cZuWKxrEPpeEkgbMoq_aHcPZYA.png?1680010281)
- Expand the layout directory on the left hand side of the screen and open up your theme.liquid file.
- Insert the CrowdHandler script tag into the head of the file, replacing YOUR_KEY_HERE with the public key found on the account/api screen in your CrowdHandler control panel.
<script src="https://wait.crowdhandler.com/js/lite-validator/main.js?id=YOUR_KEY_HERE"></script>
![](https://s3-eu-central-1.amazonaws.com/euc-cdn.freshdesk.com/data/helpdesk/attachments/production/80284259780/original/Db78ZqEFWJooEV6hNkoqbO_k2i0TacZGBQ.png?1701776308)
- Go to our Getting Started guide to find instructions on how to configure and customise your waiting room from the CrowdHandler control panel.