virtual void ChangeParameterType ( const [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraParameterPanelItem](API\Plugins\NiagaraEditor\FNiagaraParameterPanelItem) > ItemsToModify, const [FNiagaraTypeDefinition](API\Plugins\Niagara\FNiagaraTypeDefinition) NewType )