Add selectors to webostv services (#50239)

homeassistant/components/webostv/services.yaml

@@ -1,42 +1,77 @@
 # Describes the format for available webostv services
 
 button:
+  name: Button
   description: "Send a button press command."
   fields:
     entity_id:
+      name: Entity
       description: Name(s) of the webostv entities where to run the API method.
-      example: "media_player.living_room_tv"
+      required: true
+      selector:
+        entity:
+          integration: webostv
+          domain: media_player
     button:
+      name: Button
       description: >-
         Name of the button to press.  Known possible values are
         LEFT, RIGHT, DOWN, UP, HOME, MENU, BACK, ENTER, DASH, INFO, ASTERISK, CC, EXIT,
         MUTE, RED, GREEN, BLUE, VOLUMEUP, VOLUMEDOWN, CHANNELUP, CHANNELDOWN,
         PLAY, PAUSE, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
+      required: true
       example: "LEFT"
+      selector:
+        text:
 
 command:
+  name: Command
   description: "Send a command."
   fields:
     entity_id:
+      name: Entity
       description: Name(s) of the webostv entities where to run the API method.
-      example: "media_player.living_room_tv"
+      required: true
+      selector:
+        entity:
+          integration: webostv
+          domain: media_player
     command:
+      name: Command
       description: >-
         Endpoint of the command. Known valid endpoints are listed in
         https://github.com/TheRealLink/pylgtv/blob/master/pylgtv/endpoints.py
+      required: true
       example: "system.launcher/open"
+      selector:
+        text:
     payload:
+      name: Payload
       description: >-
         An optional payload to provide to the endpoint in the format of key value pair(s).
       example: >-
         target: https://www.google.com
+      advanced: true
+      selector:
+        object:
 
 select_sound_output:
+  name: Select Sound Output
   description: "Send the TV the command to change sound output."
   fields:
     entity_id:
+      name: Entity
       description: Name(s) of the webostv entities to change sound output on.
+      required: true
       example: "media_player.living_room_tv"
+      selector:
+        entity:
+          integration: webostv
+          domain: media_player
     sound_output:
+      name: Sound Output
       description: Name of the sound output to switch to.
+      required: true
       example: "external_speaker"
+      selector:
+        text: