Commands
There are three system message commands, each with the same subcommands.welcome
- Dispatched whenever a user joins the server.goodbye
- Dispatched whenever a user leaves the server.boost
- Dispatched whenever a user boosts the server.
The 
boost
event is only dispatched if the server has the Discord System
Message enabled or whenever the user receives the Server Booster role
which only occurs once.
The following examples use the
welcome
command, but the same syntax is
applied for the other system message commands.Creating a system message
You can create a system message with thewelcome add
command.
The
--self_destruct
flag in system messages schedules the message for
deletion after a specified time, which must be between 6
and 60
seconds.
Removing a system message
You can remove a system message with thewelcome remove
command.

Related commands
Viewing a system message
Viewing a system message
You can use the
welcome view
command to view a system message.Viewing all system messages
Viewing all system messages
You can use the
welcome list
command to view all system messages.