doc/mgmt-api: Add Set Appearance command specification
diff --git a/doc/mgmt-api.txt b/doc/mgmt-api.txt
index 2b8a81d..0cc747a 100644
--- a/doc/mgmt-api.txt
+++ b/doc/mgmt-api.txt
@@ -2885,6 +2885,31 @@
Invalid Index
+Set Appearance Command
+======================
+
+ Command Code: 0x0042
+ Controller Index: <controller id>
+ Command Parameters: Appearance (2 Octets)
+ Return Parameters:
+
+ This command is used to set the appearance value of a controller.
+
+ This command can be used when the controller is not
+ powered and all settings will be programmed once powered.
+
+ The value of appearance will be remembered when switching
+ the controller off and back on again. So the appearance only
+ have to be set once when a new controller is found and will
+ stay until removed.
+
+ This command generates a Command Complete event on success
+ or a Command Status event on failure.
+
+ Possible errors: Invalid Parameters
+ Invalid Index
+
+
Command Complete Event
======================