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Unreal Engine C++ API Reference > Runtime > Engine > Engine > UWorld
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Classes/Engine/World.h |
| Include | #include "Engine/World.h" |
| Source | /Engine/Source/Runtime/Engine/Private/World.cpp |
int32 FindOrAddCollectionByType_Index
&40;
const ELevelCollectionType InType
&41;
Remarks
Returns the index of the first FLevelCollection of the given InType. If one does not exist, it is created and its index returned.