NotificationData.c

См. документацию.

class NotificationData
{
    string m_Icon;
    string m_TitleText;
    string m_DescriptionText;
    
    void NotificationData(string icon, string title_text, string desc_text = "")
    {
        m_Icon = icon;
        m_TitleText = title_text;
        if (desc_text != "")
            m_DescriptionText = desc_text;
    }
}