diff --git a/Utilities/LibMatrix.DevTestBot/Bot/Commands/PingCommand.cs b/Utilities/LibMatrix.DevTestBot/Bot/Commands/PingCommand.cs

index 85c86a3..745c75d 100644
--- a/Utilities/LibMatrix.DevTestBot/Bot/Commands/PingCommand.cs
+++ b/Utilities/LibMatrix.DevTestBot/Bot/Commands/PingCommand.cs
@@ -7,5 +7,16 @@ public class PingCommand : ICommand {
     public string Name { get; } = "ping";
     public string Description { get; } = "Pong!";
 
-    public async Task Invoke(CommandContext ctx) => await ctx.Room.SendMessageEventAsync(new RoomMessageEventContent(body: "pong!"));
+    // public async Task Invoke(CommandContext ctx) => await ctx.Room.SendMessageEventAsync(new RoomMessageEventContent(body: "pong!"));
+    public async Task Invoke(CommandContext ctx) {
+        // await ctx.Room.SendMessageEventAsync(new RoomMessageEventContent(body: "pong!"));
+        var count = ctx.Args.Length > 0 ? int.Parse(ctx.Args[0]) : 1;
+        var tasks = Enumerable.Range(0, count).Select(async i => {
+            await ctx.Room.SendMessageEventAsync(new RoomMessageEventContent(body: $"!ping {i}", messageType: "m.text"));
+            await Task.Delay(1000);
+        }).ToList();
+        await Task.WhenAll(tasks);
+        
+        await ctx.Room.SendMessageEventAsync(new RoomMessageEventContent(body: "Pong!"));
+    }
 }
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