copy or new instance
is created.</dd>
</dl></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">class UpdateAnnFeatures:
    &#34;&#34;&#34;
    Action for updating the features of an annotation.
    &#34;&#34;&#34;

    def __init__(
            self,
            name=None,
            updateann=None,
            fromann=None,
            features=None,
            replace=False,  # replace existing features rather than updating
            resultid