}
}
```
+### DisableTelemetry
+This policy prevents the upload of telemetry data. Mozilla strongly recommends that you do NOT disable telemetry if you do not have a business need to do so.
+```
+{
+ "policies": {
+ "DisableTelemetry": true
+ }
+}
+```
### DisplayBookmarksToolbar
This policy turns on the bookmarks toolbar by default. A user can still turn it off and it will stay off.
```
"Locked": [true, false]
}
```
+### Extensions
+This policy controls the install, uninstall and locking of extensions. Locked extensions cannot be disabled or uninstalled.
+For Install, you can specify a list of URLs or paths.
+For Uninstall and Locked, you specify extension IDs.
+```
+{
+ "policies": {
+ "Extensions": {
+ "Install": ["https://addons.mozilla.org/firefox/downloads/somefile.xpi", "//path/to/xpi"]
+ "Uninstall": ["addon_id@mozilla.org"],
+ "Locked": ["addon_id@mozilla.org"]
+ }
+```
### NoDefaultBookmarks
Don't create the default bookmarks or the Smart Bookmarks (Most Visited, Recent Tags). Note: this policy is only effective if used before the first run of the profile.
```