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<?xml version="1.0"?>
<page xmlns="http://projectmallard.org/1.0/"
type="topic"
style="function"
xmlns:api="http://projectmallard.org/experimental/api/"
xmlns:ui="http://projectmallard.org/experimental/ui/"
id="mongoc_write_concern_append">
<info>
<link type="guide" xref="mongoc_write_concern_t" group="function"/>
</info>
<title>mongoc_write_concern_append()</title>
<section id="synopsis">
<title>Synopsis</title>
<synopsis><code mime="text/x-csrc"><![CDATA[bool
mongoc_write_concern_append (mongoc_write_concern_t *write_concern,
bson_t *command);
]]></code></synopsis>
</section>
<section id="parameters">
<title>Parameters</title>
<table>
<tr><td><p>write_concern</p></td><td><p>A pointer to a <code xref="mongoc_write_concern_t">mongoc_write_concern_t</code>.</p></td></tr>
<tr><td><p>command</p></td><td><p>A pointer to a <code xref="bson:bson_t">bson_t</code>.</p></td></tr>
</table>
</section>
<section id="description">
<title>Description</title>
<p>This function appends a valid write concern to a command. It is useful for appending a write concern to a command before passing it to a generic command function like <code xref="mongoc_client_command_simple">mongoc_client_command_simple</code>.</p>
</section>
<section id="return">
<title>Returns</title>
<p>Returns true on success, and false otherwise.</p>
</section>
</page>
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