how to rename the filename in sql server code example

Example: sql server rename mdf file

USE [master];
GO

ALTER DATABASE QuestelServicesDirectValidation_ORIG SET SINGLE_USER WITH ROLLBACK IMMEDIATE
GO

ALTER DATABASE QuestelServicesDirectValidation_ORIG SET OFFLINE
GO

ALTER DATABASE QuestelServicesDirectValidation_ORIG MODIFY FILE (Name='QuestelServicesDirectValidation_ORIG', FILENAME='C:\Program Files\Microsoft SQL Server\MSSQL13.MSSQLSERVER\MSSQL\DATA\QuestelServicesDirectValidation_ORIG.mdf')
GO

ALTER DATABASE QuestelServicesDirectValidation_ORIG MODIFY FILE (Name='QuestelServicesDirectValidation_ORIG_log', FILENAME='C:\Program Files\Microsoft SQL Server\MSSQL13.MSSQLSERVER\MSSQL\DATA\QuestelServicesDirectValidation_ORIG_log.ldf')
GO

ALTER DATABASE QuestelServicesDirectValidation_ORIG SET ONLINE
GO

ALTER DATABASE QuestelServicesDirectValidation_ORIG SET MULTI_USER
GO