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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FInstanceIdIndexMap
Description
Update the mapping from ID to index (and vice versa). Does not reset any previous mapping for the given ID.
| Name | Update |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Public/InstanceDataSceneProxy.h |
| Include Path | #include "InstanceDataSceneProxy.h" |
void Update
(
FPrimitiveInstanceId InstanceId,
int32 InstanceIndex
)