void GenerateAddActions ( [TArray](API\Runtime\Core\Containers\TArray)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [INiagaraStackItemGroupAddAction](API\Plugins\NiagaraEditor\ViewModels\Stack\INiagaraStackItemGroupAddAction) >> & OutAddActions, const [FNiagaraStackItemGroupAddOptions](API\Plugins\NiagaraEditor\ViewModels\Stack\FNiagaraStackItemGroupAddOptions) & AddProperties ) const