document swaymessage type for get_seats

completions/fish/swaymsg.fish

@@ -16,4 +16,5 @@ complete -c swaymsg -s t -l type -fra 'get_bar_config' --description "Get a JSON
 complete -c swaymsg -s t -l type -fra 'get_version' --description "Get JSON-encoded version information for the running instance of sway."
 complete -c swaymsg -s t -l type -fra 'get_binding_modes' --description "Gets a JSON-encoded list of currently configured binding modes."
 complete -c swaymsg -s t -l type -fra 'get_config' --description "Gets a JSON-encoded copy of the current configuration."
+complete -c swaymsg -s t -l type -fra 'get_seats' --description "Gets a JSON-encoded list of all seats, its properties and all assigned devices."
 complete -c swaymsg -s t -l type -fra 'send_tick' --description "Sends a tick event to all subscribed clients."

swaymsg/swaymsg.1.scd

@@ -50,6 +50,10 @@ _swaymsg_ [options...] [message]
 	Gets a JSON-encoded layout tree of all open windows, containers, outputs,
 	workspaces, and so on.
 
+*get\_seats*
+	Gets a JSON-encoded list of all seats,
+	its properties and all assigned devices.
+
 *get\_marks*
 	Get a JSON-encoded list of marks.