1Post.find({}).sort('test').exec(function(err, docs) { ... });
2Post.find({}).sort([['date', -1]]).exec(function(err, docs) { ... });
3Post.find({}).sort({test: 1}).exec(function(err, docs) { ... });
4Post.find({}, null, {sort: {date: 1}}, function(err, docs) { ... });

1MyModel.findOne().lean().exec(function(err, doc) {
2    doc.addedProperty = 'foobar';
3    res.json(doc);
4});

1// Find the adventure with the given `id`, or `null` if not found
2await Adventure.findById(id).exec();
3
4// using callback
5Adventure.findById(id, function (err, adventure) {});
6
7// select only the adventures name and length
8await Adventure.findById(id, 'name length').exec();

1exports.generateList = function (req, res) {
2    subcategories
3            .find({})//grabs all subcategoris
4            .where('categoryId').ne([])//filter out the ones that don't have a category
5            .populate('categoryId')
6            .where('active').equals(true)
7            .where('display').equals(true)
8            .where('categoryId.active').equals(true)
9            .where('display').in('categoryId').equals(true)
10            .exec(function (err, data) {
11            if (err) {
12                console.log(err);
13                console.log('error returned');
14                res.send(500, { error: 'Failed insert' });
15            }
16
17            if (!data) {
18                res.send(403, { error: 'Authentication Failed' });
19            }
20
21            res.send(200, data);
22            console.log('success generate List');
23        });
24    };

1// sort by "field" ascending and "test" descending
2query.sort({ field: 'asc', test: -1 });
3
4// equivalent
5query.sort('field -test');