# Gmail Draft Reply Custom Action Demo This example demonstrates how to create a Custom Action in Composio that interacts with Gmail's API to create draft replies for email threads. To understand the complete implementation process, watch our step-by-step video guide: [![Custom Action Tutorial](https://img.youtube.com/vi/tVfm90v5_sM/0.jpg)](https://youtu.be/tVfm90v5_sM) [Custom Action Documentation](https://docs.composio.dev/patterns/tools/build-tools/custom-action-with-auth). ### Prerequisites - A Composio account - Gmail Integration - Connected Gmail Account