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Unreal Engine C++ API Reference > Runtime > NavigationSystem > UNavigationSystemV1
References
| Module | NavigationSystem |
| Header | /Engine/Source/Runtime/NavigationSystem/Public/NavigationSystem.h |
| Include | #include "NavigationSystem.h" |
| Source | /Engine/Source/Runtime/NavigationSystem/Private/NavigationSystem.cpp |
void AddDirtyAreas
&40;
const TArray< FBox > & NewAreas,
int32 Flags,
const FName & DebugReason
&41;