Text = "TestMessage";

    UserID           = "d3jxe61Z4W73nmNkjYGgZg==";
    Token            = "523b5b25ed27e6ec-fdf013e4...";
    SendingToChannel = False;

    ButtonArray = New Array;
    ButtonArray.Add("Button 1");
    ButtonArray.Add("Button 2");
    ButtonArray.Add("Button 3");

    Keyboard = OPI_Viber.CreateKeyboardFromArrayButton(ButtonArray);

    Result = OPI_Viber.SendTextMessage(Token, Text, UserID, SendingToChannel, Keyboard);

    UserID           = "tMNGhftyUPrB3r1lD+bT4g==";
    Token            = "523b58ba82afffaa-7ef3b426...";
    SendingToChannel = True;

    Result = OPI_Viber.SendTextMessage(Token, Text, UserID, SendingToChannel, Keyboard);