Unreal Engine 4.26 Documentation
Unreal Engine 4.27 Documentation
Unreal Engine 5.0 Documentation
Unreal Engine 5.1 Documentation
Unreal Engine 5.2 Documentation
Unreal Engine 5.3 Documentation
>
Unreal Engine API Reference
>
Runtime
>
Core
>
GIsFirstInstance
Light Theme
Dark Theme
>
GIsFirstInstance
We cannot count on this variable to be accurate in a shipped game, so make sure no code tries to use it.
Windows
MacOS
Linux
Syntax
bool
GIsFirstInstance
Remarks
Whether we are the first instance of the game running.
Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.
Take our survey
Dismiss