title: RailsAdmin dashboard customization
body: <p>I want to display some metrics on my RailsAdmin dashboard
  I use custom sql query to do get the data from the DB.</p>
  
  <p>How can I change the dashboard view to show that data?</p>
  
  <p>I can customize <code>app/views/rails_admin/main/dashboard.html.erb app/views/rails_admin/main/dashboard.html.haml</code>, but where do I define a query result</p>
  
  <p><code>
  @result = Metric.data
  </code></p>
  
  <p>Thanks</p>