+Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) =
+{
+ "*": {
+ "blocked_install_message": "Custom error message.",
+ "install_sources": ["https://addons.mozilla.org/"],
+ "installation_mode": "blocked",
+ "allowed_types": ["extension"]
+ },
+ "uBlock0@raymondhill.net": {
+ "installation_mode": "force_installed",
+ "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
+ }
+}