/usr/share/help/C/gnome-help/shell-notifications.page is in gnome-user-guide 3.4.1-1.
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type="topic" style="ui"
id="shell-notifications">
<info>
<link type="guide" xref="shell-overview#desktop" />
<desc>Messages pop-up at the bottom of the screen telling you when certain
events happen.</desc>
<revision pkgversion="3.4.0" date="2012-02-19" status="review"/>
<credit type="author">
<name>Marina Zhurakhinskaya</name>
<email>marinaz@redhat.com</email>
</credit>
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
</info>
<title>Notifications and the message tray</title>
<section id="what">
<title>What is a notification?</title>
<p>If an application or a system component wants to get your attention, a
notification will be shown at the bottom of the screen.</p>
<p>For example, if you get a new chat message, plug in an external device
(like a USB stick), new updates are available for your computer, or your
computer’s battery is low, you will get a notification informing you.</p>
<p>To minimize distraction, some notifications first appear as a single
line. You can move your mouse over them to see their full content.</p>
<media type="image" width="700" src="figures/shell-notification.png"/>
<p>Other notifications have selectable option buttons. To close one of these
notifications without selecting one of its options, click anywhere on the
notification.</p>
<media type="image" width="500" src="figures/notification-buttons.png"/>
</section>
<section id="messagingtray">
<title>The message tray</title>
<p>The message tray gives you a way to get back to your notifications when it
is convenient for you. It appears when you move your mouse to the bottom right
corner of the screen, and contains all the notifications that you have not
acted upon or that permanently reside in it.</p>
<p>You can view the notifications by clicking on the message tray items. These
are usually messages sent by applications. However, chat notifications are
given special treatment, and are represented by the individual contacts who sent
you the chat messages.</p>
<p>The message tray is always visible in the activities overview.</p>
<note style="tip"><p>If the <link xref="keyboard-osk">screen keyboard</link>
is open, you'll need to click the <gui>tray button</gui> to show the message
tray.</p>
</note>
</section>
<section id="hidenotifications">
<title>Hiding notifications</title>
<p>If you're working on something and don't want to be bothered, you can
switch off notifications. Just click your name on the top bar and change the
<gui>Notifications</gui> toggle to <gui>OFF</gui>.</p>
<p>When switched off, most notifications will not pop up at the bottom of the
screen. Very important notifications, such as when your battery is critically
low, will still pop up. Notifications will still be available in the messaging
tray when you move your mouse to the bottom right corner, and they will be
shown to you when you switch the toggle to <gui>ON</gui> again.</p>
</section>
</page>
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