> For the complete documentation index, see [llms.txt](https://docs.widgelix.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.widgelix.com/notifications/introduction.md).

# Introduction

Using [Rule Engine](/get-started/rule-engine.md) on **Widgelix** you can send notifications using **Email**, **SMS**, **Slack** and **Discord**

* [Slack](/notifications/types/slack.md)
* [Email](/notifications/types/email.md)
* [SMS](/notifications/types/sms.md)
* [Discord](/notifications/types/discord.md)