All of the tasks in the Shopify connector require a connection to Shopify, so you will need to create a connection with the type 'Shopify'. See Managing Connections for instructions on creating a new connection. You will see a screen like the one below, requesting your Shopify details:
Zynk connects to Shopify as a private app, so you will need to configure a private app on your Shopify store. Shopify provide instructions on how to this. Please note that the title of the private app is not important, so you can choose anything. Once you have set up the private app, enter your details into Zynk as described below, then click 'Finish' to create the connection.
Enter the subdomain from the admin URL of your store. For example, if your admin URL is
https://price-towne-and-kulas1234.myshopify.com, your subdomain would be
Enter the API key that Shopify generated for your private app.
Enter the API password that Shopify generated for your private app.