FDatasmithFacadeMaterialExpression::GetNewFacadeInput

Returns a pointer to a new [FDatasmithFacadeExpressionInput](API\Developer\DatasmithFacade\FDatasmithFacadeExpressionInput) object wrapping the [IDatasmithExpressionInput](API\Runtime\DatasmithCore\IDatasmithExpressionInput) at the specified index if it exists.