types/system.diagnostics.process.types.ps1xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
This file was created with Export-PSTypeExtension from the
PSTypeExtensionTools module which you can install from
the PowerShell Gallery.

Use Update-TypeData to import this file in your PowerShell session.

Created 06/30/2021 13:44:23
-->
<Types>
  <Type>
    <Name>System.Diagnostics.Process</Name>
    <Members>
      <ScriptProperty>
        <Name>Runtime</Name>
        <!-- Some processes don't have a starttime in Windows PowerShell-->
        <GetScriptBlock>
         if ($this.starttime) {
           New-Timespan -start $this.StartTime -end (Get-Date)
         }
         else {
            $null
         }
         </GetScriptBlock>
      </ScriptProperty>
    </Members>
  </Type>
</Types>