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

    URL = FunctionParameters["Bitrix24_URL"];

    Type = "date";
    Name = "BIRTHDAY_FIELD";

    Result = OPI_Bitrix24.AddCustomTaskField(URL, Type, Name);

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

    Type       = "string";
    Name       = "TEXT_FIELD";
    ExternalID = "BITRIX_TEXT_FIELD";
    Title      = "Text field";
    Signature  = New Structure("en,ru", "Some field", "Nekotoroe pole");

    Result = OPI_Bitrix24.AddCustomTaskField(URL, Type, Name, ExternalID, Title, Signature, Token);