RocketChat.Migrations.add({ version: 84, up() { if (RocketChat.models && RocketChat.models.Permissions) { // Update permission name, copy values from old name const oldPermission = RocketChat.models.Permissions.findOne('add-user-to-room'); if (oldPermission && oldPermission.roles.length) { RocketChat.models.Permissions.upsert({ _id: 'add-user-to-joined-room' }, { $set: { roles: oldPermission.roles } }); RocketChat.models.Permissions.remove({ _id: 'add-user-to-room' }); } } }, down() { if (RocketChat.models && RocketChat.models.Permissions) { // Revert permission name, copy values from updated name const newPermission = RocketChat.models.Permissions.findOne('add-user-to-joined-room'); if (newPermission && newPermission.roles.length) { RocketChat.models.Permissions.upsert({ _id: 'add-user-to-room' }, { $set: { roles: newPermission.roles } }); RocketChat.models.Permissions.remove({ _id: 'add-user-to-joined-room' }); } } } });