Covers [UID-733](https://bonitasoft.atlassian.net/browse/UID-733)

modules/pages-and-forms/pages/widgets.adoc

@@ -117,3 +117,36 @@ The URL points on a file without extension (e.g. \https://myhost/doc/sample)
 [.solution]#Possible solution#
 Make a custom widget from the File Viewer widget, and adapt the `controller.isPDF` or `controller.isImage`.
 --
+
+[.troubleshooting-title]
+=== Troubleshooting Auto Complete
+
+[.troubleshooting-section]
+--
+[.symptom]
+Autocomplete widget does not update its displayed value
+
+[.symptom-description]
+Autocomplete widget does not update its displayed value when the value is changed by a variable.
+
+[.solution]#Possible solution#
+Make a custom widget from the Autocomplete widget, and Update the controller by replacing the function that set the formatLabel as follows:
+
+[source,javascript]
+----
+  this.formatLabel = function ($model) {
+    if (this.selectedItem) {
+      let sel = this.selectedItem;
+      this.selectedItem = undefined;
+      return this.getLabel(sel);
+    } else {
+      if (typeof $model === 'object') {
+        return this.getLabel($model);
+      } else {
+        return $model;
+      }
+    }
+  };
+----
+--
+