[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=LandscapePatch) virtual void AddWeightPatch ( const [FName](API\Runtime\Core\UObject\FName) & InWeightmapLayerName, [ELandscapeTexturePatchSourceMode](API\Plugins\LandscapePatch\ELandscapeTexturePatchSourceMode) SourceMode, bool bUseAlphaChannel )