###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_GetGamepadGUIDForID Get the implementation-dependent GUID of a gamepad. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gamepad.h) ## Syntax ```c SDL_GUID SDL_GetGamepadGUIDForID(SDL_JoystickID instance_id); ``` ## Function Parameters | | | | | -------------------------------- | --------------- | ------------------------- | | [SDL_JoystickID](SDL_JoystickID) | **instance_id** | the joystick instance ID. | ## Return Value ([SDL_GUID](SDL_GUID)) Returns the GUID of the selected gamepad. If called on an invalid index, this function returns a zero GUID. ## Remarks This can be called before any gamepads are opened. ## Version This function is available since SDL 3.0.0. ## See Also - [SDL_GUIDToString](SDL_GUIDToString) - [SDL_GetGamepads](SDL_GetGamepads) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGamepad](CategoryGamepad)