From 92eaa9c2cc13220a6788804bb74f8ab42f5c09d8 Mon Sep 17 00:00:00 2001
From: Luca Benati <webbati@gmail.com>
Date: Sat, 16 Aug 2025 16:46:35 +0200
Subject: [PATCH] Disable allowClear feature

---
 backend/forms.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/backend/forms.md b/backend/forms.md
index 80351c7b..a78ad84a 100644
--- a/backend/forms.md
+++ b/backend/forms.md
@@ -506,6 +506,17 @@ public function getStatusOptions($value, $formData)
 }
 ```
 
+By default the dropdown has a clearing feature when placeholder is set. This can be disabled by setting the `allowClear` option to `false`.
+
+```yaml
+status:
+    label: Blog Post Status
+    type: dropdown
+    allowClear: false
+```
+
+>**NOTE:** This is useful in case you cast the model field that use ad dropdown with an Enumerator class to avoid `not a valid backing value for enum`  
+
 ### Email
 
 `email` - renders a single line text box with the type of `email`, triggering an email-specialised keyboard in mobile browsers.