diff --git a/index.d.ts b/index.d.ts
index 51e1325bf..724b427c1 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -160,6 +160,14 @@ export interface ContentType {
   /** Changes the field's ID. */
   changeFieldId (oldId: string, newId: string): void
 
+  /**
+   * 
+   * @param widgetNamespace The namespace of the widget. Use 'builtin' for standard widgets or 'extension' for UI extensions.
+   * @param widgetId The new widget ID for the field.
+   * @param settings Widget settings
+   */
+  configureEntryEditor(widgetNamespace: 'builtin' | 'extension', widgetId: string, settings?: IEditorInterfaceOptions): void
+
   /**
    * Changes the control of given field's ID.
    *