###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # SDL_UserEvent A user-defined event type (event.user.*) ## Header File Defined in [SDL_events.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_events.h) ## Syntax ```c typedef struct SDL_UserEvent { Uint32 type; /**< SDL_USEREVENT through SDL_LASTEVENT-1 */ Uint32 timestamp; /**< In milliseconds, populated using SDL_GetTicks() */ Uint32 windowID; /**< The associated window if any */ Sint32 code; /**< User defined event code */ void *data1; /**< User defined data pointer */ void *data2; /**< User defined data pointer */ } SDL_UserEvent; ``` ---- [CategoryAPI](CategoryAPI), [CategoryAPIStruct](CategoryAPIStruct), [CategoryStruct](CategoryStruct), [CategoryEvents](CategoryEvents)