How to make the bot leave a reaction to the user's message?

Question

Python

I tried to make the bot leave a reaction to the user's message when using the command, but the bot does not react at all. Here is the code I used:

@client.command(aliases = ["хелп"])
async def help (ctx):
  await add_reaction('✅')
  embed = discord.Embed (title="Список команд", description="", color=ctx.author.color)
  embed.add_field(name="help", value="Выводит список команд", inline=False)
  await ctx.send(embed=embed)

Answer 1

await ctx.message.add_reaction('✅')

Answer 2

Try to sign ctx
await ctx.add_reaction("✅")