Welcome

Welcome channel: /welcome channel (#channel)
Welcome text: /welcome text (text)
Adding "{user}" in the text message displays the name of the user in the welcome message.
Welcome image: /welcome image (link)
Welcome dm: /welcome dm
Welcome role: /Welcome role (role)
How to remove  welcome commands
Welcome channel: /welcome remove welcome
Welcome remove text: /welcome remove message
Welcome remove dm: /welcome remove dm
Welcome remove role: /welcome remove

How to set welcome commands back to default state
Welcome default message: /welcome default message
Welcome default background: /welcome default background

About:
Commands to get a custom message and picture when a user joins your server. 

Leave

Leave channel: /leave channel (#channel)
Leave text: /leave text (text)
Adding "{user}" in the text message displays the name of the user in the leave message.
Leave image: /leave image (link)
How to remove  leave commands
Leave channel: /leave remove leave
Leave text: /leave remove message

How to set leave commands back to default state
Leave default message: /leave default message
Leave default background: /leave default background

About:
Commands to get a custom message and picture when a user leave your server.