Nothing to configure. Multicharacter closes the loading screen the moment character selection is ready, and because it is listed in Config.HandoffResources, the safety ceiling rises to three minutes while it runs — a slow PC can need that long to stream the character scene.
A resource that calls FiveM's own ShutdownLoadingScreenNui works as well. Loading Screen Creator notices that the player has loaded — through esx:playerLoaded, QBCore:Client:OnPlayerLoaded or the isLoggedIn state bag — and stops talking to a screen that is already gone.
The framework is detected the first time it is needed, by looking for a started resource from Config.Frameworks. Set Config.Framework to skip detection — worth doing when two frameworks run at once, or yours has been renamed:
The creator ships in 41 languages in locales/: Arabic, Bulgarian, Bengali, Catalan, Czech, Danish, German, Greek, English, Spanish, Estonian, Persian, Finnish, French, Hebrew, Hindi, Croatian, Hungarian, Indonesian, Italian, Japanese, Korean, Lithuanian, Latvian, Malay, Dutch, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Swedish, Swahili, Thai, Turkish, Ukrainian, Urdu, Vietnamese and Chinese.