[DOCS] Fixes ML get scheduled events API (elastic#78809)

docs/reference/ml/apis/get-calendar-event.asciidoc

@@ -27,15 +27,42 @@ calendars by using `_all`.
 `calendar_id` (required)::
   (string) Identifier for the calendar.
 
+==== Query Parameters
+
+`end`::
+  (Optional, string) Specifies to get events with timestamps earlier than this
+  time.
+
+`from`::
+  (Optional, integer) Skips the specified number of events. Defaults to `0`.
+
+`job_id`::
+  (Optional, string) Specifies to get events for a specific {anomaly-job}
+  identifier or job group. It must be used with a calendar identifier of `_all`
+  or `*`.
+
+`size`::
+  (Optional, integer) Specifies the maximum number of events to obtain. Defaults
+  to `100`.
+
+`start`::
+  (Optional, string) Specifies to get events with timestamps after this time.
+
+
 ==== Request Body
 
 `end`::
     (string) Specifies to get events with timestamps earlier than this time.
 
-`from`::
+`job_id`::
+    (string) Specifies to get events for a specific {anomaly-job}
+    identifier or job group. It must be used with a calendar identifier of `_all`
+    or `*`.
+
+`page.from`::
     (integer) Skips the specified number of events.
 
-`size`::
+`page.size`::
     (integer) Specifies the maximum number of events to obtain.
 
 `start`::
@@ -105,3 +132,12 @@ The API returns the following results:
 // TESTRESPONSE[s/Ly8LJGEBMTCMA-qz49st/$body.$_path/]
 
 For more information about these properties, see <<ml-event-resource>>.
+
+The following example retrieves scheduled events that occur within a specific
+period of time:
+
+[source,console]
+--------------------------------------------------
+GET _ml/*/planned-outages/events?start=1635638400000&end=1635724800000
+--------------------------------------------------
+// TEST[skip:setup:calendar_outages_addevent]