Intelligent Email Organization with AI-Powered Content Classification for Gmail

This workflow leverages AI to intelligently analyze incoming Gmail messages and automatically apply relevant labels based on the email content. The default configuration includes the following labels: Newsletter: Subscription updates or promotional content. Inquiry: Emails requesting information or responses. Invoice: Billing and payment-related emails. Proposal: Business offers or collaboration opportunities. Action Required: Emails demanding immediate tasks or actions. Follow-up Reminder: Emails prompting follow-up actions. Task: Emails containing actionable tasks. Personal: Non-work-related emails. Urgent: Time-sensitive or critical communications. Bank: Banking alerts and financial state

Help me set up the n8n workflow "Intelligent Email Organization with AI-Powered Content Classification for Gmail" (https://n8n.io/workflows/4557). It uses: Gmail, 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.