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API > API/Runtime > API/Runtime/MovieScene > API/Runtime/MovieScene/FEntityManager
Description
Get the current serial number for any system ovserving this entity manager. This serial number acts as a timestamp for the current state of this entity manager - any serial number more recent than this dictates more recent logic or state.
| Name | GetSystemSerial |
| Type | function |
| Header File | /Engine/Source/Runtime/MovieScene/Public/EntitySystem/MovieSceneEntityManager.h |
| Include Path | #include "EntitySystem/MovieSceneEntityManager.h" |
uint64 GetSystemSerial() const