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    = FunctionParameters["Bitrix24_URL"];
    DealID = FunctionParameters["Bitrix24_HookDealID"];

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

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

    URL    = FunctionParameters["Bitrix24_Domain"];
    Token  = FunctionParameters["Bitrix24_Token"];
    DealID = FunctionParameters["Bitrix24_DealID"];

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