/id
Show chat and user IDs.
Everyone
/start
Initialize the bot and get a welcome message with quick-start instructions. This is the first command you run after adding the bot to your group.
/pin
Pin a message in group chat.
/promote
Promote user to group admin.
/demote
Remove admin rights from user.
Create a bot via @BotFather, paste the token in BotWave, and go.