Promote group member to admin
// One memberawait WPP.group.promoteParticipants('123456@g.us', '123456@c.us');// More than one memberawait WPP.group.promoteParticipants('123456@g.us', ['123456@c.us','123456@c.us']); Copy
// One memberawait WPP.group.promoteParticipants('123456@g.us', '123456@c.us');// More than one memberawait WPP.group.promoteParticipants('123456@g.us', ['123456@c.us','123456@c.us']);
Promote group member to admin