ntly exists in
the configuration datastore. If the configuration data does
not exist, an <a class="reference internal" href="errors.html#ydk.errors.YServiceProviderError" title="ydk.errors.YServiceProviderError"><code class="xref py py-class docutils literal notranslate"><span class="pre">ydk.errors.YServiceProviderError</span></code></a> will be
thrown with XML error message.</p>
</dd></dl>

<dl class="py attribute">
<dt class="sig sig-object py" id="ydk.filters.YFilter.merge">
<span class="sig-name descna