Create Snapshot for Databases with Multiple Data Files in sqlserver

Question

How to create database snapshot for databases which have primary data file (.mdf) and secondary data files (.ndf files) too. Throws exception Missing the file databaseName_EX when I create it.
The database file includes databaseName_EX.ndf and databaseName.mdf

CREATE DATABASE databaseName_report_snap ON
(Name ='databaseNameJ',
FileName='E:\SqlData\databaseName_report.snp')
AS SNAPSHOT OF databaseName;    

Answer 1

CREATE DATABASE databaseName_report_snap ON
(Name ='databaseName',
FileName='E:\SqlData\databaseName_report.snp'),
(Name ='databaseName_EX',
FileName='E:\SqlData\databaseName_report_ext.snp')
AS SNAPSHOT OF databaseName;