Integrating live chat to Shopify in 5 easy steps:
By using this method you will be able to see customer's orders in the ticket detail section.
In your LiveAgent account navigate to Configuration>System>Plugins and click on Activate button in the "Shopify Integration" section.
This plugin can be used in cooperation with a private App of your Shopify account. Login to your Shopify admin panel and navigate to Apps>Private Apps (top right). Create a private app and name it e.g. "LiveAgent".
In the Permissions section select "Read and write" option for "Script tags in your store’s theme templates files".
Now you can see it's credentials (API key, password...).
Use the credentials from your Shopify private app when setting up the Shopify Integration plugin in LiveAgent.