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

NAME
SDL_HINT_APP_ID - A variable setting the app ID string.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_APP_ID "SDL_APP_ID"
DESCRIPTION
This string is used by desktop compositors to identify and group windows together, as well as match
applications with associated desktop settings and icons.
This will override SDL_PROP_APP_METADATA_IDENTIFIER_STRING, if set by the application.
This hint should be set before SDL is initialized.
AVAILABILITY
This hint is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_APP_ID(3)