void Initialize ( [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) * Script, [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) * InEditScript, [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< class [FNiagaraSystemViewModel](API\Plugins\NiagaraEditor\ViewModels\FNiagaraSystemViewModel) > InSystemViewModel )