Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_JoyAxisEvent - Joystick axis motion event structure (event.jaxis.*)
SYNOPSIS
#include <SDL3/SDL_events.h>
typedef struct SDL_JoyAxisEvent
{
SDL_EventType type; /**< SDL_EVENT_JOYSTICK_AXIS_MOTION */
Uint32 reserved;
Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */
SDL_JoystickID which; /**< The joystick instance id */
Uint8 axis; /**< The joystick axis index */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
Sint16 value; /**< The axis value (range: -32768 to 32767) */
Uint16 padding4;
} SDL_JoyAxisEvent;
AVAILABILITY
This struct is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_JoyAxisEvent(3type)