diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 8ff93f0..98dcad5 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,7 +1,7 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the
 // README at: https://github.com/devcontainers/templates/tree/main/src/python
 {
-	"name": "Python 3",
+	"name": "LEVbot",
 	"build": {
 		"dockerfile": "Dockerfile",
 		"context": "..",
diff --git a/lenaverse_bot/core/bot.py b/lenaverse_bot/core/bot.py
index c51fc4f..a373773 100644
--- a/lenaverse_bot/core/bot.py
+++ b/lenaverse_bot/core/bot.py
@@ -1,27 +1,30 @@
 import logging
 
 import discord
-from discord.ext.commands import Bot
 
-from .commands import foo, ping
+from .commands import post
 
 _logger = logging.getLogger(__name__)
 
 
-class LenaverseBot(Bot):
+class LenaverseBot(discord.Client):
     def __init__(self) -> None:
         intents = discord.Intents.default()
         intents.message_content = True
 
-        super().__init__(
-            command_prefix="!",
-            intents=intents,
-        )
+        super().__init__(intents=intents)
 
-        self.add_command(ping)
-        self.add_command(foo)
+        self.tree = discord.app_commands.CommandTree(self)
+        self.tree.add_command(post)
+
+    async def setup_hook(self):
+        await self.tree.sync()
+        _logger.info("Commands synced")
 
     async def on_ready(self) -> None:
         _logger.info(self.guilds)
-        assert self.user is not None
+
+        if self.user is None:
+            return
+
         _logger.info(f"{self.user.name} has connected to Discord!")
diff --git a/lenaverse_bot/core/commands.py b/lenaverse_bot/core/commands.py
index 66e5c4c..f5b588a 100644
--- a/lenaverse_bot/core/commands.py
+++ b/lenaverse_bot/core/commands.py
@@ -1,11 +1,45 @@
-from discord.ext import commands
+import discord
+from discord import ui
 
 
-@commands.hybrid_command()
-async def ping(ctx: commands.Context):
-    await ctx.send("pong")
+# Define a simple View that gives us a confirmation menu
+class Confirm(ui.View):
+    value: bool | None = None
+
+    @ui.button(label="Confirm", style=discord.ButtonStyle.green)
+    async def confirm(self, interaction: discord.Interaction, button: ui.Button):
+        await interaction.response.edit_message(content="Confirming", view=None)
+        self.value = True
+        self.stop()
+
+    @ui.button(label="Cancel", style=discord.ButtonStyle.grey)
+    async def cancel(self, interaction: discord.Interaction, button: ui.Button):
+        await interaction.response.edit_message(content="Cancelling", view=None)
+        self.value = False
+        self.stop()
 
 
-@commands.hybrid_command()
-async def foo(ctx: commands.Context, arg: str):
-    await ctx.send(arg)
+class PostModal(ui.Modal, title="foobar2000"):
+    content = ui.TextInput(
+        label="Hier könnte Ihre Werbung stehen",
+        style=discord.TextStyle.long,
+    )
+
+    async def on_submit(self, interaction: discord.Interaction):
+        view = Confirm()
+
+        await interaction.response.send_message(
+            content=f"## Vorschau\n\n{self.content.value}",
+            view=view,
+            ephemeral=True,
+        )
+
+        await view.wait()
+
+        if view.value:
+            await interaction.user.send(f"Confirmed '{self.content.value}'")
+
+
+@discord.app_commands.command()
+async def post(interaction: discord.Interaction):
+    await interaction.response.send_modal(PostModal())