OpenIntegrations/docs/en/examples/Telegram/CloseForumTopic.txt

    Token = "6129457865:AAFyzNYOAFbu...";
    Chat  = "-1001971186208";
    Topic = "8081";

    Result = OPI_Telegram.CloseForumThread(Token, Chat); // Closes main topic

    Result = OPI_Telegram.CloseForumThread(Token, Chat, Topic);