Extract Invoice Data from Email to Google Sheets using GPT-4o AI Automation

Transform your invoice processing from manual data entry into an intelligent automation system. This powerful n8n workflow monitors Gmail for invoice attachments, extracts data using AI-powered analysis, and creates organized Google Sheets with all relevant financial information automatically structured and ready for your accounting workflows. 🔄 How It Works This sophisticated 8-step automation eliminates manual invoice processing: Step 1: Intelligent Email Monitoring The workflow continuously monitors your Gmail account for emails with specific labels, checking every minute for new invoice attachments that need processing. Step 2: Attachment Verification Smart filtering ensures only emails

Help me set up the n8n workflow "Extract Invoice Data from Email to Google Sheets using GPT-4o AI Automation" (https://n8n.io/workflows/4376). It uses: Google Sheets, Google Drive, Code, AI Agent, OpenAI Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.