String placeholders are variables you can use in option-based commmands like the !welcomemessage command, the placeholders gives you a wider range of customizability, allowing you to show information dynamically.
All placeholders starts and ends with a percentage sign (%), and wraps the variable name, in combination with each other it would look like %username%
if you wanted to get the users username.
In all of the following examples the AvaIre Central server will be used as the server example, and the user that will be used is JohnDoe#2854.
Tags the user that triggered the the message.
@JohnDoe#2854
Gets the id of the user that triggered the the message.
88739639380172800
Gets the username of the user that triggered the the message.
JohnDoe
Gets the discriminator of the user that triggered the the message.
2854
Tags the channel that triggered the the message.
#general
Gets the id of the channel that triggered the the message.
299205123673030658
Gets the name of the channel that triggered the the message.
general
Gets the name of the server the message was triggered in.
AvaIre Central
Gets the id of the server the message was triggered in.
284083636368834561
Creates a new line for the message, br will "break the row" of the current message, creating a new line.
This is a
test message.