SDL_JoyButtonEvent.3type - Man Page

Defined in SDL3/SDL_events.h

#include "SDL3/SDL.h"

typedef struct SDL_JoyButtonEvent
{
    SDL_EventType type; /**< SDL_EVENT_JOYSTICK_BUTTON_DOWN or SDL_EVENT_JOYSTICK_BUTTON_UP */
    Uint32 reserved;
    Uint64 timestamp;   /**< In nanoseconds, populated using SDL_GetTicksNS() */
    SDL_JoystickID which; /**< The joystick instance id */
    Uint8 button;       /**< The joystick button index */
    bool down;      /**< true if the button is pressed */
    Uint8 padding1;
    Uint8 padding2;
} SDL_JoyButtonEvent;

This struct is available since SDL 3.2.0.