//ParseRequestDispatcher#loadProduct()
    /**
     * Load all [Product]s that are flagged as promotion.
     */
    public fun loadProducts(lat: Double, lng: Double, callback: (List<Product>?, Exception?) -> Unit) {
        val params = HashMap<String, Any>()
        params.put("businessId", businessAppId)
        params.put("lat", lat)
        params.put("lng", lng)
        ParseCloud.callFunctionInBackground(Functions.PRODUCTS, params, callback)
    }
//Cart.kt Object
	val addressChangedListeners = arrayListOf<AddressChangedListener>()
    var consumerAddress: ConsumerAddress? = null
        set(address) {
            field = address
            if (address != null) {
                this.consumer = address.consumer
                mParseCart.consumerAddress = address
                mParseCart.consumer = consumer!!
                addressChangedListeners.forEach { it.onAddressChanged(address) }
            }
        }
//MainActivity inside onCreate
        //Setup Address Listener
        Cart.addressChangedListeners.add(object : Cart.AddressChangedListener {
            override fun onAddressChanged(address: ConsumerAddress) {
                //Load Products with chosen address location as coverage parameter.
                ParseRequestDispatcher.loadProducts(address.location.latitude, address.location.longitude, {
                    products, exception ->
                    loadProductsCallback(products, exception)
                })
            }
        })