Add documentation regarding the mediaroom media_content_type (#13182)

source/_integrations/mediaroom.markdown

@@ -50,24 +50,43 @@ If the STB is on the same network segment as Home Assistant, it can determine wh
 
 ## Examples
 
-### Example `press_button` script
 
-The `play_media` function can be used in scripts to change channels and emulate button pressing from a remote control.
+### Example scripts
+
+The `play_media` function can be used in scripts to change channels:
 
 {% raw %}
 ```yaml
-# Example play_media script
+# Example play_media script to change channel
+#
+change_channel:
+  sequence:
+    service: media_player.play_media
+    data_template:
+      entity_id: media_player.mediaroom_stb
+      media_content_id: "{{ channel_number }}"
+      media_content_type: "channel"
+```
+{% endraw %}
+
+The `play_media` function can also be used to trigger actions on the set-up-box such opening the videoclub:
+
+{% raw %}
+```yaml
+# Example play_media script to trigger an action
 #
 press_button:
   sequence:
     service: media_player.play_media
     data_template:
       entity_id: media_player.mediaroom_stb
-      media_content_id: "{{ value }}"
+      media_content_id: "{{ action }}"
-      media_content_type: "channel"
+      media_content_type: "mediaroom"
 ```
 {% endraw %}
 
+Check [here](https://github.com/dgomes/pymediaroom) for the list of possible media_content_id's
+
 ### Example configuration with 2 STB
 
 ```yaml