Added in detection of someone joining the call.

bot.py

@@ -13,6 +13,7 @@ from dotenv import load_dotenv
 load_dotenv()
 TOKEN = os.getenv('DISCORD_TOKEN')
 PREFIX = os.getenv('BOT_PREFIX')
+CHANNEL = os.getenv('BOT_CHANNEL')
 
 #Sets Discord intents.
 intents = discord.Intents.default()
@@ -72,5 +73,14 @@ async def on_message(message):
 
             await message.channel.send(response)
 
+@bot.event
+async def on_voice_state_update(member, before, after):
+
+    #Sends a message when someone joins any voice channel.
+    if before.channel is None and after.channel is not None:
+        channel = discord.utils.get(member.guild.text_channels, name=CHANNEL) #Finds a channel named in the .env file.
+        if channel: #If the channel exists.
+            await channel.send(f"{member.mention} joined {after.channel.name}!")
+
 # Run the bot with your token
 bot.run(TOKEN)