Chapters/pester-core-concepts/sample-code.ps1
function Get-ServiceRemote { [CmdletBinding()] Param( [Parameter(Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName )] [string[]]$ComputerName, [Parameter(ValueFromPipelineByPropertyName)] [Alias('Name')] [string[]]$ServiceName ) if ($PSBoundParameters.ContainsKey('ServiceName')) { Invoke-Command -ComputerName $ComputerName -ScriptBlock { Get-Service -Name $using:ServiceName } } else { Invoke-Command -ComputerName $ComputerName -ScriptBlock { Get-Service } } } |