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API > API/Runtime > API/Runtime/NavigationSystem > API/Runtime/NavigationSystem/UNavigationSystemV1 > API/Runtime/NavigationSystem/UNavigationSystemV1/AddDirtyArea
References
| Module | NavigationSystem |
| Header | /Engine/Source/Runtime/NavigationSystem/Public/NavigationSystem.h |
| Include | #include "NavigationSystem.h" |
| Source | /Engine/Source/Runtime/NavigationSystem/Private/NavigationSystem.cpp |
void AddDirtyArea
&40;
const FBox & NewArea,
int32 Flags,
const FName & DebugReason
&41;