[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(BlueprintAssignable)
FOnNiagaraSystemFinished OnSystemFinished
Called when the particle system is done.
[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(BlueprintAssignable)
FOnNiagaraSystemFinished OnSystemFinished
Called when the particle system is done.