title: CSOM Equivalent of allusers
body: <p>Can anyone tell me if there is an Equivalent of allusers in sharepoint csom.  I cant seem to find anything.  Basically im creating a remote event receiver and im trying to replace the following piece of code with the CSOM equivalent</p>
  
  <pre><code>properties.Web.AllUsers.GetByID(properties.GroupUserId)
  </code></pre>