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function test{
    param(
        [string[]]$ComputerName = 'localhost'
    )

    begin{

    }

    process{
    ForEach ($computer in $ComputerName){

        $test = Get-Process -name explorer -ComputerName $ComputerName | Select-Object -Property id
        switch ($test)
            {
                1 {$test = "The answer is 300"}
                5096 {$test = "the answer is 5096"}
                3 {$test = "the answer is 321"}
                default {"The answer is none"}
            }

        $obj = [pscustomObject]@{
            $ComputerName = $computer
            Test = $test

        }

        }
    }

    end{

    Write-Host ("answer = $obj")

    }
}

test