.gitignore

@@ -1,3 +1,4 @@
 .venv/
 venv/
 .idea/*
+__pycache__/

cogs/say_hallo.py

@@ -0,0 +1,37 @@
+# Für dieses Beispiel muss der Server Member Intent im Dev Portal und in der Main-Datei aktiviert sein
+#
+# intents = discord.Intents.default()
+# intents.members = True
+#
+# bot = discord.Bot(
+#     intents=intents,
+#     debug_guilds=[123456789],  # hier server id einfügen
+# )
+
+import discord
+from discord.ext import commands
+from discord.commands import slash_command
+
+
+class Base(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+
+    @slash_command()
+    async def say_hallo(self, ctx):
+        await ctx.respond(f"Hey {ctx.author.mention}")
+
+    @commands.Cog.listener()
+    async def on_member_join(self, member):
+        embed = discord.Embed(
+            title="Willkommen",
+            description=f"Hey {member.mention}",
+            color=discord.Color.orange()
+        )
+
+        channel = await self.bot.fetch_channel(123456789)  # hier channel id einfügen
+        await channel.send(embed=embed)
+
+
+def setup(bot):
+    bot.add_cog(Base(bot))

main.py

@@ -6,6 +6,7 @@ from dotenv import load_dotenv
 
 intents = discord.Intents.default()
 intents.message_content = True # NOQA
+intents.members = True # NOQA
 
 bot = discord.Bot(intents=intents, debug_guilds=[889424923859230720])
 
@@ -55,5 +56,10 @@ async def info(
 
     await ctx.respond(embed=embed)
 
+if __name__ == "__main__":
+    for filename in os.listdir("cogs"):
+        if filename.endswith(".py"):
+            bot.load_extension(f"cogs.{filename[:-3]}")
+
     load_dotenv()
     bot.run(os.getenv("DISCORD_TOKEN"))