Extract and Save Invoice Data from Google Drive to Sheets with Dumpling AI

Who is this for? This workflow is perfect for operations teams, accountants, e-commerce businesses, or finance managers who regularly process digital invoices and need to automate data extraction and record-keeping. What problem is this workflow solving? Manually reading invoice PDFs, extracting relevant data, and entering it into spreadsheets is time-consuming and error-prone. This workflow automates that process—watching a Google Drive folder, extracting structured invoice data using Dumpling AI, and saving the results into Google Sheets. What this workflow does Watches a specific Google Drive folder for new invoices. Downloads the uploaded invoice file. Converts the file into a Base64 for

Help me set up the n8n workflow "Extract and Save Invoice Data from Google Drive to Sheets with Dumpling AI" (https://n8n.io/workflows/4059). It uses: Google Sheets, HTTP Request, Google Drive, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.