$object | ForEach-Object {

    code_block

}

"Any","Bob","Celine","David" | ForEach-Object -Begin {

    $results = @()

} -Process {

    #Create and store message

    $results += "Hi, my name is $_!"

} -End {

    #Count messages and output

    Write-Host "Total messages: $($results.Count)"

    $results

}