Automate real-time QuickBooks invoice alerts in Slack

This n8n template from Intuz provides a complete and automated solution for instant team-wide financial visibility. It actively monitors QuickBooks and, upon detecting a new invoice, immediately sends a detailed alert to your chosen Slack channel. For customized reporting, the workflow can pull specific keywords or data like the customer name, invoice amount, and due date directly into the Slack message, creating a complete, real-time feed of your company's sales activity. Use Cases Sales Team Visibility: Instantly notify the sales channel when an invoice is generated for a deal they closed. Finance & Ops Sync: Keep the finance team aware of all billing activities as they happen in a dedicat

Help me set up the n8n workflow "Automate real-time QuickBooks invoice alerts in Slack" (https://n8n.io/workflows/7230). It uses: Slack, QuickBooks Online, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.