<p>Not that the <code>lookup_field</code> will be used as the default on <em>all</em> hyperlinked fields, including both the URL identity, and any hyperlinked relationships.</p>
<p>Note that the <code>lookup_field</code> will be used as the default on <em>all</em> hyperlinked fields, including both the URL identity, and any hyperlinked relationships.</p>
<p>For more specific requirements such as specifying a different lookup for each field, you'll want to set the fields on the serializer explicitly. For example:</p>
<p>For more specific requirements such as specifying a different lookup for each field, you'll want to set the fields on the serializer explicitly. For example:</p>