Replicate Line Items on New Deal in HubSpot and notify with Slack

Replicate Line Items on New Deal in HubSpot Workflow Use Case This workflow solves the problem of manually copying line items from one deal to another in HubSpot, reducing manual work and minimizing errors. What this workflow does Triggers upon receiving a webhook with deal IDs. Retrieves the IDs of the won and created deals. Fetches line items associated with the won deal. Extracts product SKUs from the retrieved line items. Fetches product details based on SKUs. Creates new line items for the created deal and associates them. Sends a Slack notification with success details. Step up steps Create a HubSpot Deal Workflow 1.1 Set up your trigger (ex: when deal stage = Won) 1.2 Add step : Creat

Help me set up the n8n workflow "Replicate Line Items on New Deal in HubSpot and notify with Slack" (https://n8n.io/workflows/2367). It uses: HTTP Request, Slack. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.