Text   = "Comment for post";
    PostID = "560";
    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/1o2...";

    Result = OPI_Bitrix24.AddPostComment(URL, PostID, Text);

    Text  = "Another comment";
    URL   = "b24-ar17wx.bitrix24.by";
    Token = "ec4dc366006e9f06006b12e400000001000...";

    Result = OPI_Bitrix24.AddPostComment(URL, PostID, Text, Token);