# Developer API

- [Events](https://docs.zithium.net/xl-series/xltournaments/developer-api/events.md): XLTournaments has a few events you can listen to in your plugin to execute certain actions.
- [Custom Objectives](https://docs.zithium.net/xl-series/xltournaments/developer-api/custom-objectives.md): This guide will explain how to add your very own objective to XLTournaments.


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