How to list group member in specific OU

List Group Member
Get-ADGroupMember "G TEST" | where-object {$_.distinguishedname -like "*,OU=! AG,*"} | format-table name > C:\G_TEST.csv

List User
Get-ADUser       -Filter * | where-object {$_.distinguishedname -like "*,OU=! AG,*"} | format-table name > C:\AD_USER.csv

List Computer
Get-ADComputer   -Filter * | where-object {$_.distinguishedname -like "*,OU=! AG,*"} | format-table name > C:\AD_COMPUTER.csv