Variables

When configuring join or leave messages, you can use variables. These will allow you to display information dynamically. This is a concrete example:
Configured
Sent by the bot
Hello {memberFullName}
Hello @Noob#0123
Indeed, if user Noob#0123 joined, the {user} would have been replaced by his mention. This is the complete list of variables:
User
In the following variables, user is the user who has just joined your server:
Configured
Replaced by
{memberMention}
The mention of the user.
{memberFullName}
The username of the user and his #.
{memberName}
The username of the user without his #.
{memberId}
The discord ID of the member
{memberImage}
URL of the member's avatar
{memberCreatedDate}
Date the discord user account was created
{memberAge}
Time since the account was created
Server
Here, guild represents your Discord server after the user's join or leave:
Configured
Replaced by
{guildName}
The name of your server.
{guildIcon}
URL of the server's icon
{guildMemberCount}
The number of members on your server.
Inviter
Here, inviter represents the user who invited the user who joined or left your Discord:
Configured
Replaced by
{inviterMention}
The mention of the user.
{inviterName}
The username of the user without his #
{inviterFullName}
The username of the user with his #
{inviterImage}
URL of the inviter's avatar
{inviterId}
The discord ID of the inviter
{inviteCount}
The invites uses
{inviteCode}
The invitation code
{inviterNumInvites}
The users invites
{inviterAge}
Time the discord user account was created
{inviterCreatedDate}
Date the discord user account was created

CONFIGURATION - Previous

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Last updated 5 months ago

Configured	Sent by the bot
Hello `{memberFullName}`	Hello @Noob#0123

Configured	Replaced by
`{memberMention}`	The mention of the user.
`{memberFullName}`	The username of the user and his #.
`{memberName}`	The username of the user without his #.
`{memberId}`	The discord ID of the member
`{memberImage}`	URL of the member's avatar
`{memberCreatedDate}`	Date the discord user account was created
`{memberAge}`	Time since the account was created

Configured	Replaced by
`{guildName}`	The name of your server.
`{guildIcon}`	URL of the server's icon
`{guildMemberCount}`	The number of members on your server.

Configured	Replaced by
`{inviterMention}`	The mention of the user.
`{inviterName}`	The username of the user without his #
`{inviterFullName}`	The username of the user with his #
`{inviterImage}`	URL of the inviter's avatar
`{inviterId}`	The discord ID of the inviter
`{inviteCount}`	The invites uses
`{inviteCode}`	The invitation code
`{inviterNumInvites}`	The users invites
`{inviterAge}`	Time the discord user account was created
`{inviterCreatedDate}`	Date the discord user account was created