###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_hid_open Open a HID device using a Vendor ID (VID), Product ID (PID) and optionally a serial number. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hidapi.h) ## Syntax ```c SDL_hid_device * SDL_hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number); ``` ## Function Parameters | | | | | --------------- | ----------------- | ---------------------------------------------------------- | | unsigned short | **vendor_id** | the Vendor ID (VID) of the device to open. | | unsigned short | **product_id** | the Product ID (PID) of the device to open. | | const wchar_t * | **serial_number** | the Serial Number of the device to open (Optionally NULL). | ## Return Value ([SDL_hid_device](SDL_hid_device) *) Returns a pointer to a [SDL_hid_device](SDL_hid_device) object on success or NULL on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks If `serial_number` is NULL, the first device with the specified VID and PID is opened. ## Version This function is available since SDL 3.1.3. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryHIDAPI](CategoryHIDAPI)