diff --git a/isometric-park-fna/Messages/ToggleVisibilityMessage.cs b/isometric-park-fna/Messages/ToggleVisibilityMessage.cs
new file mode 100644
--- /dev/null
+++ b/isometric-park-fna/Messages/ToggleVisibilityMessage.cs
@@ -0,0 +1,16 @@
+
+using Encompass;
+
+namespace isometricparkfna.Messages {
+
+	public enum Element {
+		Grid,
+		Trees
+	}
+
+	public struct ToggleVisibilityMessage : IMessage//, IHasEntity 
+	{
+
+		public Element Element;
+	}
+}