OpenIntegrations/docs/en/examples/Slack/AddExternalFile.txt

    Token = "xoxb-6965308400114-696804637...";
    Title = "NewFile";
    File  = "https://openyellow.neocities.org/test_data/document.docx"; // URL, Binary Data or Path to file

    Result = OPI_Slack.AddExternalFile(Token, File, Title);