ist.data.Id, LookupFieldName: &quot;Title&quot; });
await fieldAddResult.field.update({ AllowMultipleValues: true }, &quot;SP.FieldLookup&quot;);
</code></pre>
<h3 id="add-a-choice-field">Add a Choice Field<a class="headerlink" href="#add-a-choice-field" title="Permanent link">&para;</a></h3>
<p>Use the addChoice method to create a new choice field.</p>
<pre><code class="language-TypeScript">import { spfi } from &quot;@pnp/sp&quot;;
import { ChoiceFieldFormatType } from &quot;@pnp/sp/fields/types&quot;;
imp