###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!)
# SDL_GetJoystickInstanceID

Get the instance ID of an opened joystick.

## Header File

Defined in [SDL_joystick.h](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_joystick.h), but apps should use `#include <SDL3/SDL.h>`

## Syntax

```c
SDL_JoystickID SDL_GetJoystickInstanceID(SDL_Joystick *joystick);

```

## Function Parameters

|                  |                                                                           |
| ---------------- | ------------------------------------------------------------------------- |
| **joystick**     | an [SDL_Joystick](SDL_Joystick) structure containing joystick information |

## Return Value

Returns the instance ID of the specified joystick on success or 0 on
failure; call [SDL_GetError](SDL_GetError)() for more information.

## Version

This function is available since SDL 3.0.0.

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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)