virtual void RegisterPassthroughPin ( [FNiagaraParameterMapHistoryBuilder](API\Plugins\NiagaraEditor\FNiagaraParameterMapHistoryBuild-) & OutHistory, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * InputPin, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * OutputPin, bool bFilterForCompilation, bool bVisitInputPin ) const