It is really hard to find anything reliable about this topic so I am writing about it myself.

1. Installation

You can install discord-py-slash-command module for slash commands

pip install -U discord-py-slash-command

2. basic bot with slash commands

• We need to import modules needed for this which are normal discord.py module and discord-py-slash-command module

import discord
from discord.ext import commands
from discord_slash import SlashCommand, SlashContext

• We'll create our bot object with all intents and slash command object

bot = commands.Bot(command_prefix="!", intents=discord.Intents.all())
slash = SlashCommand(bot)

• We'll create easy command, for this example I am going to create Hello World! command

@slash.slash(name="test")
async def _test(ctx: SlashContext):
    await ctx.send("Hello World!")

1. We created command named test

2. We started the command and named slash commands context to commands context

3. We sent message to channel where command was used

4. Last but no least we need to trigger the bot on

bot.run("discord_token")

Whole code is:

import discord
from discord.ext import commands
from discord_slash import SlashCommand, SlashContext

bot = commands.Bot(command_prefix="!", intents=discord.Intents.all())
slash = SlashCommand(bot)

@slash.slash(name="test")
async def _test(ctx: SlashContext):
    await ctx.send("Hello World!")

bot.run("discord_token")

3. Slash command in Cog file

• This part is meant for advanced discord.py developers not for beginners

• In bot's main file you'll want to do same things as in basic slash commands but instead of creating command you'll want to load your cog file

from discord.ext import commands
from discord_slash import SlashCommand

bot = commands.Bot(command_prefix="prefix")
slash = SlashCommand(bot, override_type = True)

bot.load_extension("cog")
bot.run("TOKEN")

• In your Cog file you'll want to import everything needed and create class for your slash commands

# cog.py
import discord
from discord.ext import commands
from discord_slash import cog_ext, SlashContext

class Slash(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

def setup(bot):
    bot.add_cog(Slash(bot))

• In this Cog class you'll want to do your commands in this format shown below. I'll be doing same simple Hello World! program as the one in the basic bot

    @cog_ext.cog_slash(name="test")
    async def _test(self, ctx: SlashContext):
        await ctx.send("Hello World!")

Whole code:

import discord
from discord.ext import commands
from discord_slash import cog_ext, SlashContext

class Slash(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    @cog_ext.cog_slash(name="test")
    async def _test(self, ctx: SlashContext):
        await ctx.send("Hello World!")

def setup(bot):
    bot.add_cog(Slash(bot))

4. Thank you

Thank you for reading my first blog post, I hope it helped you atleast a bit