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API > API/Plugins > API/Plugins/MassNavigation > API/Plugins/MassNavigation/UMassNavigationSubsystem
References
| Module | MassNavigation |
| Header | /Engine/Plugins/AI/MassAI/Source/MassNavigation/Public/MassNavigationSubsystem.h |
| Include | #include "MassNavigationSubsystem.h" |
FNavigationObstacleHashGrid2D & GetObstacleGridMutable&40;&41;