OpenIntegrations/docs/en/examples/Bitrix24/UpdateDeal.txt

    FieldsStructure = New Structure;
    FieldsStructure.Insert("TITLE"      , "Sale in RUB");
    FieldsStructure.Insert("CURRENCY_ID", "RUB");
    FieldsStructure.Insert("OPPORTUNITY", 50000);

    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/h0m...";
    DealID = "5896";

    Result = OPI_Bitrix24.UpdateDeal(URL, DealID, FieldsStructure);

    FieldsStructure.Insert("TITLE"    , "Future deal in RUB");
    FieldsStructure.Insert("BEGINDATE", "2025-01-01");

    URL    = "b24-ar17wx.bitrix24.by";
    Token  = "d49a5b69006e9f06006b12e400000001000...";
    DealID = "5898";

    Result = OPI_Bitrix24.UpdateDeal(URL, DealID, FieldsStructure, Token);