diff --git a/extra_info.nix b/extra_info.nix
index c86eaa7..579050c 100644
--- a/extra_info.nix
+++ b/extra_info.nix
@@ -25,5 +25,11 @@ with builtins; {
         default = null;
       };
     };
+
+    extraInfo.outputs = mkOption {
+      type = types.attrsOf (types.attrsOf types.str);
+      description = "Description of the outputs";
+      default = {};
+    };
   };
 }
diff --git a/wm/sway.nix b/wm/sway.nix
index 656ab65..d99aced 100644
--- a/wm/sway.nix
+++ b/wm/sway.nix
@@ -154,6 +154,7 @@ in {
             );
         in
           builtins.listToAttrs inputsCfg;
+        output = config.extraInfo.outputs;
         fonts = common.mkFont cfg.font;
         window = {
           titlebar = true;