# SDL_HapticEffectID ID for haptic effects. ## Header File Defined in [<SDL3/SDL_haptic.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_haptic.h) ## Syntax ```c typedef int SDL_HapticEffectID; ``` ## Remarks This is -1 if the ID is invalid. ## See Also - [SDL_CreateHapticEffect](SDL_CreateHapticEffect) ---- [CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryHaptic](CategoryHaptic)