Geänderte HubSpot-Kontakte mit Mailchimp synchronisieren

# Functionitem Workflow ## Overview Automated workflow: Functionitem Workflow. This workflow processes data and performs automated tasks. ## Workflow Details - Total Nodes: 6 - Node Types: 5 - Error Handling: ✅ Implemented - Security: ✅ Hardened (no sensitive data) - Documentation: ✅ Complete ## Node Breakdown - Get last execution timestamp: functionItem - Every day at 07:00: cron - Set new last execution timestamp: functionItem - Create/Update contact: hubspot - Get changed members: mailchimp - Workflow Documentation: stickyNote ## Usage Instructions 1. Configure Credentials: Set up all required API keys and credentials 2. Update Variables: Replace any placeholder values with actual data 3. Test Workflow: Run in test mode to verify functionality 4. Deploy: Activate the workflow for production use ## Security Notes - All sensitive data has been removed or replaced with placeholders - Error handling is implemented for reliability - Follow security best practices when configuring credentials ## Troubleshooting - Check error logs if workflow fails - Verify all credentials are properly configured - Ensure all required services are accessible