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> Unreal Engine API Reference > Plugins > Niagara > FNiagaraSystemSimulation > WeakSystem

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WeakSystem

System of instances being simulated.

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Syntax

TWeakObjectPtr< UNiagaraSystem > WeakSystem

Remarks

System of instances being simulated. We use a weak object ptr here because once the last referencing object goes away this system may be come invalid at runtime.

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