update allowed actions in controller-utils and document example snap params types

Author: hmalik88

packages/examples/packages/cronjobs/src/types.ts

@@ -1,7 +1,17 @@
+/**
+ * The parameters for calling the `scheduleNotification` JSON-RPC method.
+ *
+ * @property date - The ISO 8601 date of when the notification should be scheduled.
+ */
 export type ScheduleNotificationParams = {
   date: string;
 };
 
+/**
+ * The parameters for calling the `cancelNotification` JSON-RPC method.
+ *
+ * @property id - The id of the notification event to cancel.
+ */
 export type CancelNotificationParams = {
   id: string;
 };

packages/snaps-controllers/src/test-utils/controller.ts

@@ -677,6 +677,7 @@ export const getRestrictedCronjobControllerMessenger = (
       'SnapController:handleRequest',
       'CronjobController:scheduleBackgroundEvent',
       'CronjobController:cancelBackgroundEvent',
+      'CronjobController:getBackgroundEvents',
     ],
   });