sentry-rails/examples/rails-6.0/app/views/welcome/report_demo.html.erb
<!doctype html>
<html>
<head>
<title>Internal Server Error</title>
</head>
<body>
<h1>Internal Server Error</h1>
<p>='(</p>
<% if @sentry_event_id %>
<script>
Raven.showReportDialog({
// grab the eventId generated by the Sentry SDK
eventId: '<%= @sentry_event_id -%>'
});
</script>
<% end %>
</body>
</html>