bubasuma\simplechat\db\Message::create PHP Метод

    public static function create($userId, $contactId, $text)
    {
        $instance = new static(['scenario' => 'create']);
        $instance->created_at = new Expression('UTC_TIMESTAMP()');
        $instance->sender_id = $userId;
        $instance->receiver_id = $contactId;
        $instance->text = Html::encode($text);
        $instance->save();
        return $instance->errors;
    }