RemixIconEx.System.notification_badge

You're seeing just the function notification_badge, go back to RemixIconEx.System module for more information.
Link to this function

notification_badge(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.notification_badge()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M13.341 4A5.99 5.99 0 0 0 13 6H5v14h14v-8a5.99 5.99 0 0 0 2-.341V21a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1h9.341zM19 8a2 2 0 1 0 0-4 2 2 0 0 0 0 4zm0 2a4 4 0 1 1 0-8 4 4 0 0 1 0 8z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}