discord.py get message id code example
Example 1: discord py get user by id
user = bot.get_user(user_id)
Example 2: discord.py message user
if message.content == "dm":
await message.channel.send("Dming user")
dm = await message.author.create_dm() # Creates a dm channel with the user
await dm.send("What you want to send") # Sends the user the message
Example 3: discord py fetch channel by id
channel = discord.utils.get(ctx.guild.channels, name=given_name)
channel_id = channel.id