+### WebsiteFilter
+Blocks websites from being visited. The parameters take an array of Match Patterns, as documented in https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Match_patterns. Only http/https accesses are supported at the moment. The arrays are limited to 1000 entries each.
+```
+{
+ "policies": {
+ "Block": ["<all_urls>"],
+ "Exceptions": ["http://example.org/*"]
+ }
+}
+```