diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index c1742b9a4..83c1158e4 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -94,6 +94,8 @@ abstract class cmdbAbstractObject extends CMDBObject implements iDisplay
/** @var string */
public const ENUM_INPUT_TYPE_RADIO = 'radio';
/** @var string */
+ public const ENUM_INPUT_TYPE_CHECKBOX = 'checkbox';
+ /** @var string */
public const ENUM_INPUT_TYPE_DROPDOWN_RAW = 'dropdown_raw';
/** @var string */
public const ENUM_INPUT_TYPE_DROPDOWN_DECORATED = 'dropdown_decorated'; // now with the JQuery Selectize plugin
diff --git a/application/forms.class.inc.php b/application/forms.class.inc.php
index 2ef811a3b..1b1bf161f 100644
--- a/application/forms.class.inc.php
+++ b/application/forms.class.inc.php
@@ -102,12 +102,20 @@ class DesignerForm
$sReturn .= '