# SDL_GetGamepadSerial Get the serial number of an opened gamepad, if available. ## Header File Defined in [<SDL3/SDL_gamepad.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gamepad.h) ## Syntax ```c const char * SDL_GetGamepadSerial(SDL_Gamepad *gamepad); ``` ## Function Parameters | | | | | ---------------------------- | ----------- | ---------------------------- | | [SDL_Gamepad](SDL_Gamepad) * | **gamepad** | the gamepad object to query. | ## Return Value (const char *) Returns the serial number, or NULL if unavailable. ## Remarks Returns the serial number of the gamepad, or NULL if it is not available. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGamepad](CategoryGamepad)