Disable chrome download multiple files confirmation

I’m using Chrome 49 and none of the other solutions worked for me.
After some research I found a working solution:

ChromeDriver createChromeDriverWithDownloadFolder(String folder) {
    Map<String, Object> chromePrefs = new HashMap<String, Object>();
    chromePrefs.put("profile.default_content_settings.popups", 0);
    chromePrefs.put("download.default_directory", folder);
    chromePrefs.put("profile.content_settings.exceptions.automatic_downloads.*.setting", 1 );
    chromePrefs.put("download.prompt_for_download", false);

    ChromeOptions options = new ChromeOptions();
    options.setExperimentalOption("prefs", chromePrefs);
    DesiredCapabilities cap = DesiredCapabilities.chrome();
    cap.setCapability(CapabilityType.ACCEPT_SSL_CERTS, true);
    cap.setCapability(ChromeOptions.CAPABILITY, options);
    return new ChromeDriver(cap);
}

It seems as if these settings are constantly changing. Therefore, here’s how I found the right solution for my setup:

  1. Open Chrome and go to chrome://version/ to find the path of your profile
  2. In Default/Preferences is a json file called Preferences. Open it and search for automatic_downloads.
    In my case the interesting part of the file looked like this:

    …”profile”: {
    “avatar_bubble_tutorial_shown”: 1,
    “avatar_index”: 0,
    “content_settings”: {
    “clear_on_exit_migrated”: true,
    “exceptions”: {
    “app_banner”: {},
    “auto_select_certificate”: {},
    “automatic_downloads”: {
    “[.]localhost:63342,“: {
    “setting”: 1
    },…

  3. From that I could derive that the right setting would be chromePrefs.put("profile.content_settings.exceptions.automatic_downloads.*.setting", 1 );

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