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<!-- Attention authors: Do not edit directly. Please add your changes to the appropriate source repository -->
<h1 id="xively-formerly-cosm-persistence">Xively (formerly Cosm) Persistence</h1>
<p>This service allows you to feed item states to the <a href="https://www.xively.com/">Xively IoT Platform</a>.</p>
<p>This persistence service supports only writing information, and so features such as <code class="highlighter-rouge">restoreOnStartup</code> and sitemap Chart widgets cannot be used with this service.</p>
<h2 id="prerequisites">Prerequisites</h2>
<p>You need a Xively API key and data feed in order to send data. Each item being persisted represens a separate datastream.</p>
<h2 id="configuration">Configuration</h2>
<p>This service can be configured in the file <code class="highlighter-rouge">services/cosm.cfg</code>.</p>
<table>
<thead>
<tr>
<th>Property</th>
<th>Default</th>
<th style="text-align: center">Required</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>url</td>
<td> </td>
<td style="text-align: center">Yes</td>
<td>The data feed URL to which your item states will be sent. This is in the format <code class="highlighter-rouge">http://api.cosm.com/v2/feeds/<feed>/datastreams/</code>, where <code class="highlighter-rouge"><feed></code> should be replaced with your data feed number.</td>
</tr>
<tr>
<td>apikey</td>
<td> </td>
<td style="text-align: center">Yes</td>
<td>Your Xively API key</td>
</tr>
</tbody>
</table>
<p>All item and event related configuration is done in the file <code class="highlighter-rouge">persistence/cosm.persist</code>. Aliases correspond to cosm datastream IDs for the cosm persistence service.</p>
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