sets PSStandardMember for all input objects

Set-StandardMember.ps1

using namespace System.Management.Automation

function Set-StandardMember {
    [CmdletBinding()]
    param(
        [parameter(Mandatory, ValueFromPipeline)]
        [object] $InputObject,

        [parameter(Mandatory)]
        [string[]] $DefaultProperties
    )

    begin {
        [PSMemberInfo[]] $info = [PSPropertySet]::new('DefaultDisplayPropertySet', $DefaultProperties)
        $memberSet = [PSMemberSet]::new('PSStandardMembers', $info)
    }
    process {
        $InputObject.PSObject.Members.Add($memberSet)
        $InputObject
    }
}

$InputObject = [pscustomobject]@{
    foo = 123
    bar = 456
}
$InputObject | Set-StandardMember -DefaultProperties foo