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<p class="caption"><span class="caption-text">Getting Started</span></p>
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<li class="toctree-l1"><a class="reference internal" href="messagee-example.html">App Example - Messagee</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../installation/deployment-guide.html">Usergrid 2.1.0 Deployment Guide</a></li>
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<div class="section" id="groups">
<h1>Groups<a class="headerlink" href="#groups" title="Permalink to this headline"></a></h1>
<p>You can organize app users into groups. Groups have their own Activity
Feed, their own permissions and be a useful alternative to Roles,
depending on how you model your data. Groups were originaly designed to
emulate Facebook Groups, so they will tend to function about the same
way Facebook Groups would.</p>
<p>Groups are hierarchical. Every member of the group
/groups/california/san-francisco is also a member of the group
/groups/california.</p>
<p>Groups are also a great way to model things such a topic subscriptions.
For example, you could allow people to subscribe (i.e. become a member
of the group and be alerted via Activities) to /groups/memes/dogs/doge
or subscribe to all /groups/memes/dogs</p>
<div class="section" id="general-properties">
<h2>General properties<a class="headerlink" href="#general-properties" title="Permalink to this headline"></a></h2>
<table border="1" class="docutils">
<colgroup>
<col width="11%" />
<col width="9%" />
<col width="80%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">Property</th>
<th class="head">Type</th>
<th class="head">Description</th>
</tr>
</thead>
<tbody valign="top">
<tr class="row-even"><td>uuid</td>
<td>UUID</td>
<td>Group’s unique entity ID</td>
</tr>
<tr class="row-odd"><td>type</td>
<td>string</td>
<td>Type of entity, in this case “user”</td>
</tr>
<tr class="row-even"><td>created</td>
<td>long</td>
<td><a class="reference external" href="http://en.wikipedia.org/wiki/Unix_time">UNIX timestamp</a> of entity creation</td>
</tr>
<tr class="row-odd"><td>modified</td>
<td>long</td>
<td><a class="reference external" href="http://en.wikipedia.org/wiki/Unix_time">UNIX timestamp</a> of entity modification</td>
</tr>
<tr class="row-even"><td>path</td>
<td>string</td>
<td>Valid slash-delimited group path (mandatory)</td>
</tr>
<tr class="row-odd"><td>title</td>
<td>string</td>
<td>Display name</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="set-properties">
<h2>Set properties<a class="headerlink" href="#set-properties" title="Permalink to this headline"></a></h2>
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<colgroup>
<col width="23%" />
<col width="15%" />
<col width="62%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">Set</th>
<th class="head">Type</th>
<th class="head">Description</th>
</tr>
</thead>
<tbody valign="top">
<tr class="row-even"><td>connections</td>
<td>string</td>
<td>Set of connection types (e.g., likes)</td>
</tr>
<tr class="row-odd"><td>rolenames</td>
<td>string</td>
<td>Set of roles assigned to a group</td>
</tr>
<tr class="row-even"><td>credentials</td>
<td>string</td>
<td>Set of group credentials</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="collections">
<h2>Collections<a class="headerlink" href="#collections" title="Permalink to this headline"></a></h2>
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<col width="17%" />
<col width="15%" />
<col width="68%" />
</colgroup>
<thead valign="bottom">
<tr class="row-odd"><th class="head">Collection</th>
<th class="head">Type</th>
<th class="head">Description</th>
</tr>
</thead>
<tbody valign="top">
<tr class="row-even"><td>users</td>
<td>user</td>
<td>Collection of users in the group</td>
</tr>
<tr class="row-odd"><td>activities</td>
<td>activity</td>
<td>Collection of activities a user has performed</td>
</tr>
<tr class="row-even"><td>feed</td>
<td>activity</td>
<td>Inbox of activity notifications a group has received</td>
</tr>
<tr class="row-odd"><td>roles</td>
<td>role</td>
<td>Set of roles to which a group belongs</td>
</tr>
</tbody>
</table>
</div>
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