Im trying to create a custom UIType and a followed this stack overflow without success, this is what i did:
Step1: update "modules\Vtiger\models\Field.php" and add new UIType as 222
I added the new UIType as follow in Field.php into public function getFieldDataType()
} else if($uiType == '222') {
$fieldDataType = 'json';
Step5: Register/insert new UIType in table vtiger_ws_fieldtype
But doesn't work