###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_GetJoystickGUID Get the implementation-dependent GUID for the joystick. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_joystick.h) ## Syntax ```c SDL_GUID SDL_GetJoystickGUID(SDL_Joystick *joystick); ``` ## Function Parameters | | | | | ------------------------------ | ------------ | -------------------------------------------------------------------------------------- | | [SDL_Joystick](SDL_Joystick) * | **joystick** | the [SDL_Joystick](SDL_Joystick) obtained from [SDL_OpenJoystick](SDL_OpenJoystick)(). | ## Return Value ([SDL_GUID](SDL_GUID)) Returns the GUID of the given joystick. If called on an invalid index, this function returns a zero GUID; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks This function requires an open joystick. ## Version This function is available since SDL 3.1.3. ## See Also - [SDL_GetJoystickGUIDForID](SDL_GetJoystickGUIDForID) - [SDL_GUIDToString](SDL_GUIDToString) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryJoystick](CategoryJoystick)