To add sound you have to add in the sounds section
Sounds: {
success: new Audio('assets/sounds/tap-notification-180637.mp3'),
error: new Audio('assets/sounds/tap-notification-180637.mp3'),
info: new Audio('assets/sounds/tap-notification-180637.mp3'),
help: new Audio('assets/sounds/drawtext.mp3'),
uwu: new Audio('assets/sounds/tap-notification-180637.mp3'),
business: new Audio('assets/sounds/tap-notification-180637.mp3')
}
To configure the sound you just have to adjust it in the volumes