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API > API/Runtime > API/Runtime/MassEntity > API/Runtime/MassEntity/FMassObserverManager > API/Runtime/MassEntity/FMassObserverManager/OnCompositionChanged
References
| Module | MassEntity |
| Header | /Engine/Source/Runtime/MassEntity/Public/MassObserverManager.h |
| Include | #include "MassObserverManager.h" |
| Source | /Engine/Source/Runtime/MassEntity/Private/MassObserverManager.cpp |
bool OnCompositionChanged
(
const FMassEntityHandle Entity,
const FMassArchetypeCompositionDescriptor & CompositionDelta,
const EMassObservedOperation Operation
)
whether any observers have been executed