###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # SDL_JoystickSetLED Update a joystick's LED color. ## Syntax ```c int SDL_JoystickSetLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue); ``` ## Function Parameters | | | | ---------------- | ------------------------------ | | **joystick** | The joystick to update | | **red** | The intensity of the red LED | | **green** | The intensity of the green LED | | **blue** | The intensity of the blue LED | ## Return Value Returns 0 on success, -1 if this joystick does not have a modifiable LED ## Remarks An example of a joystick LED is the light on the back of a PlayStation 4's DualShock 4 controller. ## Version This function is available since SDL 2.0.14. ---- [CategoryAPI](CategoryAPI)