diff --git a/core/attributedef/AttributeBoolean.php b/core/attributedef/AttributeBoolean.php
new file mode 100644
index 000000000..ae90fcdab
--- /dev/null
+++ b/core/attributedef/AttributeBoolean.php
@@ -0,0 +1,242 @@
+<?php
+
+/**
+ * Map a boolean column to an attribute
+ *
+ * @package     iTopORM
+ */
+class AttributeBoolean extends AttributeInteger
+{
+    const SEARCH_WIDGET_TYPE = self::SEARCH_WIDGET_TYPE_RAW;
+
+    /**
+     * Useless constructor, but if not present PHP 7.4.0/7.4.1 is crashing :( (N°2329)
+     *
+     * @see https://www.php.net/manual/fr/language.oop5.decon.php states that child constructor can be ommited
+     * @see https://bugs.php.net/bug.php?id=79010 bug solved in PHP 7.4.9
+     *
+     * @param string $sCode
+     * @param array $aParams
+     *
+     * @throws \Exception
+     * @noinspection SenselessProxyMethodInspection
+     */
+    public function __construct($sCode, $aParams)
+    {
+        parent::__construct($sCode, $aParams);
+    }
+
+    public static function ListExpectedParams()
+    {
+        return parent::ListExpectedParams();
+        //return array_merge(parent::ListExpectedParams(), array());
+    }
+
+    public function GetEditClass()
+    {
+        return "Integer";
+    }
+
+    protected function GetSQLCol($bFullSpec = false)
+    {
+        return "TINYINT(1)" . ($bFullSpec ? $this->GetSQLColSpec() : '');
+    }
+
+    public function MakeRealValue($proposedValue, $oHostObj)
+    {
+        if (is_null($proposedValue)) {
+            return null;
+        }
+        if ($proposedValue === '') {
+            return null;
+        }
+        if ((int)$proposedValue) {
+            return true;
+        }
+
+        return false;
+    }
+
+    public function ScalarToSQL($value)
+    {
+        if ($value) {
+            return 1;
+        }
+
+        return 0;
+    }
+
+    public function GetValueLabel($bValue)
+    {
+        if (is_null($bValue)) {
+            $sLabel = Dict::S('Core:' . get_class($this) . '/Value:null');
+        } else {
+            $sValue = $bValue ? 'yes' : 'no';
+            $sDefault = Dict::S('Core:' . get_class($this) . '/Value:' . $sValue);
+            $sLabel = $this->SearchLabel('/Attribute:' . $this->m_sCode . '/Value:' . $sValue, $sDefault, true /*user lang*/);
+        }
+
+        return $sLabel;
+    }
+
+    public function GetValueDescription($bValue)
+    {
+        if (is_null($bValue)) {
+            $sDescription = Dict::S('Core:' . get_class($this) . '/Value:null+');
+        } else {
+            $sValue = $bValue ? 'yes' : 'no';
+            $sDefault = Dict::S('Core:' . get_class($this) . '/Value:' . $sValue . '+');
+            $sDescription = $this->SearchLabel('/Attribute:' . $this->m_sCode . '/Value:' . $sValue . '+', $sDefault,
+                true /*user lang*/);
+        }
+
+        return $sDescription;
+    }
+
+    public function GetAsHTML($bValue, $oHostObject = null, $bLocalize = true)
+    {
+        if (is_null($bValue)) {
+            $sRes = '';
+        } elseif ($bLocalize) {
+            $sLabel = $this->GetValueLabel($bValue);
+            $sDescription = $this->GetValueDescription($bValue);
+            // later, we could imagine a detailed description in the title
+            $sRes = "<span title=\"$sDescription\">" . parent::GetAsHtml($sLabel) . "</span>";
+        } else {
+            $sRes = $bValue ? 'yes' : 'no';
+        }
+
+        return $sRes;
+    }
+
+    public function GetAsXML($bValue, $oHostObject = null, $bLocalize = true)
+    {
+        if (is_null($bValue)) {
+            $sFinalValue = '';
+        } elseif ($bLocalize) {
+            $sFinalValue = $this->GetValueLabel($bValue);
+        } else {
+            $sFinalValue = $bValue ? 'yes' : 'no';
+        }
+        $sRes = parent::GetAsXML($sFinalValue, $oHostObject, $bLocalize);
+
+        return $sRes;
+    }
+
+    public function GetAsCSV(
+        $bValue, $sSeparator = ',', $sTextQualifier = '"', $oHostObject = null, $bLocalize = true,
+        $bConvertToPlainText = false
+    )
+    {
+        if (is_null($bValue)) {
+            $sFinalValue = '';
+        } elseif ($bLocalize) {
+            $sFinalValue = $this->GetValueLabel($bValue);
+        } else {
+            $sFinalValue = $bValue ? 'yes' : 'no';
+        }
+        $sRes = parent::GetAsCSV($sFinalValue, $sSeparator, $sTextQualifier, $oHostObject, $bLocalize);
+
+        return $sRes;
+    }
+
+    public static function GetFormFieldClass()
+    {
+        return '\\Combodo\\iTop\\Form\\Field\\SelectField';
+    }
+
+    /**
+     * @param \DBObject $oObject
+     * @param \Combodo\iTop\Form\Field\SelectField $oFormField
+     *
+     * @return \Combodo\iTop\Form\Field\SelectField
+     * @throws \CoreException
+     */
+    public function MakeFormField(DBObject $oObject, $oFormField = null)
+    {
+        if ($oFormField === null) {
+            $sFormFieldClass = static::GetFormFieldClass();
+            $oFormField = new $sFormFieldClass($this->GetCode());
+        }
+
+        $oFormField->SetChoices(array('yes' => $this->GetValueLabel(true), 'no' => $this->GetValueLabel(false)));
+        parent::MakeFormField($oObject, $oFormField);
+
+        return $oFormField;
+    }
+
+    public function GetEditValue($value, $oHostObj = null)
+    {
+        if (is_null($value)) {
+            return '';
+        } else {
+            return $this->GetValueLabel($value);
+        }
+    }
+
+    public function GetForJSON($value)
+    {
+        return (bool)$value;
+    }
+
+    public function MakeValueFromString(
+        $sProposedValue, $bLocalizedValue = false, $sSepItem = null, $sSepAttribute = null, $sSepValue = null,
+        $sAttributeQualifier = null
+    )
+    {
+        $sInput = mb_strtolower(trim($sProposedValue));
+        if ($bLocalizedValue) {
+            switch ($sInput) {
+                case '1': // backward compatibility
+                case $this->GetValueLabel(true):
+                    $value = true;
+                    break;
+                case '0': // backward compatibility
+                case 'no':
+                case $this->GetValueLabel(false):
+                    $value = false;
+                    break;
+                default:
+                    $value = null;
+            }
+        } else {
+            switch ($sInput) {
+                case '1': // backward compatibility
+                case 'yes':
+                    $value = true;
+                    break;
+                case '0': // backward compatibility
+                case 'no':
+                    $value = false;
+                    break;
+                default:
+                    $value = null;
+            }
+        }
+
+        return $value;
+    }
+
+    public function RecordAttChange(DBObject $oObject, $original, $value): void
+    {
+        parent::RecordAttChange($oObject, $original ? 1 : 0, $value ? 1 : 0);
+    }
+
+    protected function GetChangeRecordClassName(): string
+    {
+        return CMDBChangeOpSetAttributeScalar::class;
+    }
+
+    public function GetAllowedValues($aArgs = array(), $sContains = ''): array
+    {
+        return [
+            0 => $this->GetValueLabel(false),
+            1 => $this->GetValueLabel(true)
+        ];
+    }
+
+    public function GetDisplayStyle()
+    {
+        return $this->GetOptional('display_style', 'select');
+    }
+}
\ No newline at end of file