// Mute for 60 seconds
WPP.chat.mute('[number]@c.us', {duration: 60});
// Mute util 2021-01-01
WPP.chat.mute('[number]@c.us', {expiration: 1641006000});
// or using date
const expiration = new Date('2022-01-01 00:00:00');
WPP.chat.mute('[number]@c.us', {expiration: expiration});
Mute a chat, you can use duration or expiration For expiration, use unix timestamp (seconds only) For duration, use seconds