Is there any way, how to use $elemMatch Projection Operators in kinvey-flex-sdk.
You can try this way.
var dataStore = modules.dataStore({ skipBl: true, useMasterSecret: true });
var collection = dataStore.collection('<collectionName>');
var query = new Kinvey.Query();
query.equalTo('items', { $elemMatch: { item: 'a', qty: { $gte: 23 } } });
collection.find(query, function (error, result) {
});