How to use the quickblox.init function in quickblox

var riveScriptGenerator = new RiveScript();

function loadingDone(batch_num) {
	console.log(`[RiveScript] Batch #${batch_num} has finished loading!`);
	riveScriptGenerator.sortReplies();
}

function loadingError(batch_num, error) {
	console.log(`[RiveScript] Load the batch #${batch_num} is failed`, JSON.stringify(error));
}

riveScriptGenerator.loadDirectory('../brain').then(loadingDone).catch(loadingError);


// Initialise QuickBlox
QB.init(CONFIG.appId, CONFIG.authKey, CONFIG.authSecret);

var qbListeners = {
	// Contact list listener
	onSubscribeListener: function onSubscribeListener(userId) {
		console.log(`[QB] onSubscribeListener. Subscribe from ${userId}`);

		QB.chat.roster.confirm(userId, function() {
			console.log(`[QB] Confirm subscription from user ${userId}`);
		});
	},

	// System messages listener
	onSystemMessageListener: function onSystemMessageListener(msg) {
		if(msg.extension.notification_type === '1'){
			console.log(`[QB] The user ${msg.userId} adds you to dialog`);