Required scripts to make it work.

data/scripts/commands/ConfirmGroupCommand.lua

@@ -0,0 +1,18 @@
+--[[
+
+ConfirmGroupCommand Script
+
+Handles what happens when you resolve an invite to a group
+
+--]]
+
+function onEventStarted(player, actor, triggerName, groupType, result)
+
+	--Accept/Refuse happened, else just close the window
+	if (result == 1 or result == 2) then
+		GetWorldManager():GroupInviteResult(player, groupType, result);		
+	end
+	
+	player:EndEvent();
+	
+end