$errorSummaryCssClass public property The default CSS class for the error summary container. See also errorSummary(). public string $errorSummaryCssClass = 'error-summary'

$fieldClass public property The default field class name when calling field() to create a new field. See also $fieldConfig. public string $fieldClass = 'yii\widgets\ActiveField'

$enableClientValidation public property Whether to enable client-side data validation. If yii\widgets\ActiveField::$enableClientValidation is set, its value will take precedence for that input field. public boolean $enableClientValidation = true

$enableClientScript public property Whether to hook up yii.activeForm JavaScript plugin. This property must be set true if you want to support client validation and/or AJAX validation, or if you want to take advantage of the yii.activeForm plugin. When this is false, the form will not generate any JavaScript. public boolean $enableClientScript = true

$encodeErrorSummary public property Whether to perform encoding on the error summary. public boolean $encodeErrorSummary = true

$errorCssClass public property The CSS class that is added to a field container when the associated attribute has validation error. public string $errorCssClass = 'has-error'

$attributes public property The client validation options for individual attributes. Each element of the array represents the validation options for a particular attribute. public array $attributes = []

$ajaxParam public property The name of the GET parameter indicating the validation request is an AJAX request. public string $ajaxParam = 'ajax'

$enableAjaxValidation public property Whether to enable AJAX-based data validation. If yii\widgets\ActiveField::$enableAjaxValidation is set, its value will take precedence for that input field. public boolean $enableAjaxValidation = false

$action public property The form action URL. This parameter will be processed by yii\helpers\Url::to(). See also $method for specifying the HTTP method for this form. public array|string $action = ''