add queue_event_complete event to docs to go with missionpinball/mpf#1910

Author: bosh

docs/config/queue_event_player.md

@@ -69,7 +69,12 @@ Single event. This device will be posted by the device. Defaults to
 empty.
 
 The event name that will be posted when all the handlers of this queue
-event are done processing it. This setting is optional.
+event are done processing it. This setting is optional. If no value is
+given, a default event will be posted when complete, [queue_event_complete](../events/queue_event_complete.md).
+
+With either the generic `queue_event_complete` or your custom `events_when_finished`,
+the custom parameters defined in the `args` option will be included, as well as
+the parameter *queue_event*, which will have the value of the queue_event from the config.
 
 ## Related Pages:
 

docs/events/index.md

@@ -247,6 +247,8 @@ will posted an event called *switch_s_left_slingshot_active*.
     * [machine_reset_phase_2](machine_reset_phase_2.md) *Queue Event*
     * [machine_reset_phase_3](machine_reset_phase_3.md) *Queue Event*
 
+* [Queue Event Player Events]
+    * [queue_event_complete](queue_event_complete.md)
 
 * Audio Management Events
     * [master_volume_decrease](master_volume_decrease.md)

docs/events/queue_event_complete.md

@@ -0,0 +1,30 @@
+---
+title: queue_event_complete
+---
+
+# queue_event_complete
+
+
+--8<-- "event.md"
+
+A queue event has completed and normal behavior will resume. This is posted
+by the `queue_event_player` when no [`events_when_finished`](../config/queue_event_player.md#events_when_finished) is provided.
+If you have defined custom `events_when_finished`, this event name will not be posted,
+but the custom names you have picked will have the following keyword arguments included.
+
+This is *NOT* itself a queue event.
+
+## Keyword arguments
+
+(See the [Conditional Events](overview/conditional.md)
+guide for details for how to create entries in your config file that
+only respond to certain combinations of the arguments below.)
+
+#### `queue_event`:
+
+The name of the queue event that 
+
+#### `**args`:
+
+Additional args may be provided if you have configured them
+via [`args`](../config/queue_event_player.md#args)

mkdocs.yml

@@ -1176,7 +1176,8 @@ nav:
       - mode_(name)_starting: events/mode_name_starting.md
       - mode_(name)_stopping: events/mode_name_stopping.md
       - balldevice_(name)_ball_eject_attempt: events/queue_events/balldevice_ball_device_ball_eject_attempt.md
-
+    - Queue Event Player Events:
+      - queue_event_complete: events/queue_event_complete.md
     - Audio Management Events:
       - master_volume_decrease: events/master_volume_decrease.md
       - master_volume_increase: events/master_volume_increase.md