title: CSV adding multiple expressions
body: <p>I have a csv Ive imported as $csv.  Current columns are Title, date, time.</p>
  <p>Im adding a column named 'Warning' and want to add another column name DateTime.</p>
  <p>How can I add multiple expressions?</p>
  <p>Thanks in advance</p>
  <pre><code>$exportcsv = $csv | Select-Object *, @{
          Name = 'Warning'
          Expression = {
              ([datetime]$_.Time).AddMinutes(-3).ToString(&quot;HH:mm:ss tt&quot;)
          }
      } 
  , @{
          Name = 'DateTime'
          Expression = {
              (&quot;$($_.Date), $($_.Time)&quot; -as [datetime])
          }
      } |     $exportcsv | Export-Csv -Path C:\pathtocsv
  </code></pre>