> For the complete documentation index, see [llms.txt](https://docs.sentiance.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sentiance.com/sdk/api-reference/ios/sentvehiclecrashevent/useractivitytype.md).

# SENTVehicleCrashDetectorMode

Represents the crash detection mode that was active when this crash event was detected.

| **car**        | In this mode, crash detection is optimized for car transports.         |
| -------------- | ---------------------------------------------------------------------- |
| **twoWheeler** | In this mode, crash detection is optimized for two wheeler transports. |
| **unknown**    | This is a fallback enum for when the detector mode was not identified. |