> For the complete documentation index, see [llms.txt](https://docs.tryterra.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tryterra.co/faq/help-topics/data-api-sdk/authentication-users-and-connection-state/omron-deauth-event-trigger.md).

# What triggers an Omron deauth event?

An Omron deauth webhook is **triggered by a call to the `/deauthenticateUser` endpoint**, which fires this event.

For Omron there are no other cases that produce a deauth, so a `null` message simply reflects that a deauthentication call was made.