<p>Listens for commands at standard input. At least one command must be specified. Commands are comma separated. A command must be followed by a colon and a value. </p>
<p>The <cmd>icon</cmd> command also accepts four stock icon values such as <var>error</var>, <var>info</var>, <var>question</var> and <var>warning</var>.</p>
</note>
</item>
</terms>
<p>The following example script shows how to create a notification icon:</p>