diff --git a/ext/test.py b/ext/test.py
new file mode 100644
index 0000000..58ef5c9
--- /dev/null
+++ b/ext/test.py
@@ -0,0 +1,23 @@
+# pybot-f test extension ...
+
+import discord
+from discord import app_commands
+from discord.ext import commands
+
+class TestCog(commands.GroupCog, name="testcogparent"):
+  def __init__(self, bot: commands.Bot) -> None:
+    self.bot = bot
+    super().__init__()  # this is now required in this context.
+
+  @app_commands.command(name="sub1")
+  async def my_sub_command_1(self, interaction: discord.Interaction) -> None:
+    """ /parent sub-1 """
+    await interaction.response.send_message("Hello from sub command 1", ephemeral=True)
+
+  @app_commands.command(name="sub2")
+  async def my_sub_command_2(self, interaction: discord.Interaction) -> None:
+    """ /parent sub-2 """
+    await interaction.response.send_message("Hello from sub command 2", ephemeral=True)
+
+async def setup(bot: commands.Bot) -> None:
+  await bot.add_cog(TestCog(bot))
\ No newline at end of file
diff --git a/pybot-f.py b/pybot-f.py
index cf190e6..5aa019d 100644
--- a/pybot-f.py
+++ b/pybot-f.py
@@ -37,5 +37,5 @@ async def joined(ctx, member: discord.Member):
     """Says when a member joined."""
     await ctx.send(f'{member.name} joined {discord.utils.format_dt(member.joined_at)}')
 
-
-bot.run('OTc5MzU2MjY4NzkzODMxNDI1.GTX-gW.l7Oc7YoVfAQIUBarQ3jXB6upNKYdD0jeCuAGXE')
\ No newline at end of file
+bot.load_extension("ext/test.py")
+bot.run(bottoken)
\ No newline at end of file