> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tightknit.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Triggered when a user registers for a calendar event

> Triggered when a user registers for a calendar event



## OpenAPI

````yaml https://api.tightknit.ai/doc-mintlify webhook calendar_event.user_registered
openapi: 3.1.0
info:
  version: 0.0.0
  title: Tightknit OpenAPI
servers:
  - url: https://api.tightknit.ai
    description: Production server
security:
  - Bearer: []
paths: {}
components:
  securitySchemes:
    Bearer:
      type: http
      scheme: bearer
      bearerFormat: JWT

````

## Related topics

- [Triggered when a user unregisters for a calendar event](/api-reference/webhooks/triggered-when-a-user-unregisters-for-a-calendar-event.md)
- [Triggered when a calendar event ends](/api-reference/webhooks/triggered-when-a-calendar-event-ends.md)
- [Triggered when a calendar event is published](/api-reference/webhooks/triggered-when-a-calendar-event-is-published.md)
- [Triggered when a member joins a community](/api-reference/webhooks/triggered-when-a-member-joins-a-community.md)
- [Event Registration](/events/event-registration.md)