First, make sure you have a template that provides Bootstrap (such as dokubootstrapsimplified or dokutwitterbootstrap)! These provide necessary CSS, and without them, the alert boxes won't show up.

You can install the plugin using the Plugin Manager and the download URL above, which points to latest version of the plugin. Refer to Plugins on how to install plugins manually.

Simply use this syntax to add differently colored alert boxes:

  <alert info>Here is an informational message.</alert>
  <alert warning>Here is a warning message.</alert>
  <alert danger>Something dangerous is happening!</alert>
  <alert success>Something good is happening!</alert>

Good luck!