title: Check hash table contains value or not
body: <p>I use PowerShell to execute SQL query to get computer process id and return hash tale below:</p>
  
  <pre><code>$processId
  5068
  6176
  7240
  7632
  </code></pre>
  
  <p>Now, I use: <code>$processId -contains 5068</code> to check this value exist in <code>$processId</code> or not.</p>
  
  <p>My expected is <code>true</code> but it return <code>false</code>.</p>
  
  <p>I don't know why. Welcome all answer.</p>
  
  <p>Result $processId | Get-Member:
  <img src="https://i.stack.imgur.com/49GpW.png" alt=""></p>