# SDL_GetSensorID Get the instance ID of a sensor. ## Header File Defined in [<SDL3/SDL_sensor.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_sensor.h) ## Syntax ```c SDL_SensorID SDL_GetSensorID(SDL_Sensor *sensor); ``` ## Function Parameters | | | | | -------------------------- | ---------- | ----------------------------------------------- | | [SDL_Sensor](SDL_Sensor) * | **sensor** | the [SDL_Sensor](SDL_Sensor) object to inspect. | ## Return Value ([SDL_SensorID](SDL_SensorID)) Returns the sensor instance ID, or 0 on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategorySensor](CategorySensor)