# SDL_KeyboardID This is a unique ID for a keyboard for the time it is connected to the system, and is never reused for the lifetime of the application. ## Header File Defined in [<SDL3/SDL_keyboard.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_keyboard.h) ## Syntax ```c typedef Uint32 SDL_KeyboardID; ``` ## Remarks If the keyboard is disconnected and reconnected, it will get a new ID. The value 0 is an invalid ID. ## Version This datatype is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryKeyboard](CategoryKeyboard)