How to get count from aggregate lookup results
<p>I am looking to find out the total documents count from aggregate join. is it possible to get count from the below code? if anybody have an idea please let me know.</p>

<pre><code>    db.collection("camp", function (err, camp) {
    camp.aggregate([{$match: {status: {$ne: "Rejected"}}}, 
         {'$lookup': {

                from: "organization",
                localField: "organization",
                foreignField: "organizationId",
                as: "orgnData"
            }
        }, {'$lookup': {
                from: "organizer",
                localField: "organizer",
                foreignField: "organizerId",
                as: "ornrData"
            }},
        {$unwind: "$orgnData"},
        {$unwind: "$ornrData"},
        {$match: {'ornrData.city': 'Nagpur'}},

        {$skip: 0}, {$limit: 10}, 
        {$sort: {id: -1}}

    ], function (err, info) {
        res.json(info);
    });
});
</code></pre>

<p>from above code i am looking to get total rows count of result before limit. if anybody have an idea please let me know?</p>