Text   = "Comment for post";
    PostID = "436";
    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/ztbe...";

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

    Text  = "Another comment";
    URL   = "b24-ar17wx.bitrix24.by";
    Token = "c03fa966006e9f06006b12e400000001000...";

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