job

$citrixsession = New-PSSession ServerName -Credential $ADMSCredential
Invoke-Command -Session $citrixsession -ScriptBlock { add-pssnapin Citrix.XenApp.Commands }

$Job = Invoke-Command -Session $citrixsession -ScriptBlock { Get-XASession -account "domain\$($args[0])" -full | Select-Object -Property SessionID,ServerName,AccountName,State } -argumentlist $global:UInit -AsJob

Wait-Job $Job -Timeout 5 | Out-Null

If ($Job.State -eq "completed") {

}
Else {

}