Meteor.startup(function() { RocketChat.Notifications.onLogged('Users:NameChanged', function({_id, name, username}) { RocketChat.models.Messages.update({ 'u._id': _id }, { $set: { 'u.name': name } }, { multi: true }); RocketChat.models.Messages.update({ mentions: { $elemMatch: { _id } } }, { $set: { 'mentions.$.name': name } }, { multi: true }); RocketChat.models.Subscriptions.update({ name: username, t: 'd' }, { $set: { fname: name } }); }); });