Add/Update Operations on User Profile

#Turn on Security Trimming in Service Application
$upProxy = Get-SPServiceApplicationProxy |?{$_.DisplayName -like "*Profile*"}
Add-SPPluggableSecurityTrimmer -UserProfileApplicationProxyId $upProxy.ID
Get-SPPluggableSecurityTrimmer -UserProfileApplicationProxyId $upProxy.ID
Get-Help Add-SPPluggableSecurityTrimmer -examples

#Add Profile Leader
Add-SPProfileLeader -ProfileServiceApplicationProxy $upProxy -Name "contoso\alexd"
Get-SPProfileLeader -ProfileServiceApplicationProxy $upProxy
#Add User Profiel from different domain
Get-Help Add-SPProfileSyncConnection -examples
Add-SPProfileSyncConnection -ProfileServiceApplication $upProxy`
    -ConnectionForestName "fabrikam.com" -ConnectionDomain "Fabrikam" -ConnectionUserName "Testupa" `
    -ConnectionPassword convertto-securestring "Password1" -asplaintext -force `
    -ConnectionSynchronizationOU "OU=SharePoint Users,DC=fabrikam,DC=com"`