Create a Onfleet task for a new Shopify fulfilment

Summary Onfleet is a last-mile delivery software that provides end-to-end route planning, dispatch, communication, and analytics to handle the heavy lifting while you can focus on your customers. This workflow template automatically creates an Onfleet delivery task when a new fulfillment is created for a Shopify order. Configurations Update the Shopify trigger node with your own Shopify credentials Update the Onfleet node with your own Onfleet credentials, to register for an Onfleet API key, please visit https://onfleet.com/signup to get started You can easily change how the Onfleet task is created by mapping to additional data in the Shopify fulfillment object

Help me set up the n8n workflow "Create a Onfleet task for a new Shopify fulfilment" (https://n8n.io/workflows/1531). It uses: Onfleet. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.