title: Invoking global function
body: <p>I'm trying to do something like this:</p>
  
  <pre><code>function Copy-Item( [string]$source, [string]$destination )
  {
      $global:Copy-Item $source -destination $destination
  }
  </code></pre>
  
  <p>But I can't figure out what is the correct syntax for the global Copy-Item invokation. Is this even possible? </p>