# SDL_JoystickAttachVirtualEx Attach a new virtual joystick with extended properties. ## Header File Defined in [SDL_joystick.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_joystick.h) ## Syntax ```c int SDL_JoystickAttachVirtualEx(const SDL_VirtualJoystickDesc *desc); ``` ## Function Parameters | | | | | ---------------------------------------------------------- | -------- | --------------------- | | const [SDL_VirtualJoystickDesc](SDL_VirtualJoystickDesc) * | **desc** | joystick description. | ## Return Value (int) Returns the joystick's device index, or -1 if an error occurred. ## Version This function is available since SDL 2.24.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryJoystick](CategoryJoystick)