in Hands-on lab/lab-files/Tools/CustomerProfileJsonDataGenerator/DataObjects.cs [290:304]
internal void Populate()
{
var howManyProducts = _randomizer.Number(20);
var purchases = new List<ProductPurchase>();
for (var i = 0; i < howManyProducts; i++)
{
purchases.Add(new ProductPurchase
{
ProductId = _randomizer.Number(1, 5000),
ItemsPurchasedLast12Months = _randomizer.Number(1, 99)
});
}
TopProductPurchases = purchases;
}