public function rules()
{
return [[['login', 'pass', 'email'], 'required', 'message' => 'Please choose this field'], [['login', 'pass', 'email', 'authKey'], 'string', 'max' => 255], ['login', 'unique', 'targetClass' => user::className(), 'message' => 'this login already exist.'], ['email', 'email'], ['email', 'unique', 'targetClass' => user::className(), 'message' => 'this email already exist.']];
}
