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This cookbook contains recipes and code samples demonstrating how to accomplish everyday tasks with Novu in your application. Each code example uses our libraries and SDKs.

Workflow, Feed, Messages & Notifications Flow in Novu

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Fetch Subscriber Feed

A subscriber feed is a list of all In-App messages for a single subscriber. It’s a continuous stream of messages displayed in a list that subscribers can scroll through on the frontend via the Notification Center. It is a dynamic list with seen and unseen capabilities. Multiple feeds can exist for a subscriber.
Subscriber Feed is very different from Activity Feed. The former is for In-App channels, while the latter is a list of every message and relevant metadata across all channels shown in your dashboard.
The code sample below fetches the list of all In-App messages sent to a specific subscriber: 
const { data: inAppMessages } = await novu.subscribers.getNotificationsFeed('subscriberId', {
  page: 0,
  limit: 10,

  // it is of type string. By default all feeds messages are fetched
  feedIdentifier: 'Marketing',

  // seen and read filter of type boolean
  seen: true,
  read: true
});

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Fetch All Feeds

In-App messages are grouped in Feeds. There can be one or multiple feeds. The code sample below fetches all the feeds that have been created and exist in the In-App steps: 
const { data: feedsData } = await novu.feeds.get();

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Delete a Message From a Feed

A message is a content sent to a single subscriber over a single channel. Some messages are simple, like SMS, while others have more features and capabilities, such as Email, Chat, In-App. A single message can be deleted from a Feed. The code sample below shows how to do it: 
await novu.messages.deleteById('messageId');

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Fetch all Messages Sent To All Subscribers

You can retrieve all messages sent to all subscribers. There are a couple of filters you can apply to fetch these messages.
  • channel: fetches all messages that were sent via a specific channel, e.g Email, Sms, Push, In-App
  • subscriberId: fetches all messages sent to a specific subscriber
  • transactionIds: fetches all messages via transaction ids.
import { ChannelTypeEnum } from '@novu/node';

// All fields are optional
const listMessagesOptions = {
  // pagination options
  page: 0,
  limit: 20,

  /**
   *  Filter options
   */
  // use ChannelTypeEnum.PUSH for push, ChannelTypeEnum.IN_APP for in-app,
  channel: ChannelTypeEnum.EMAIL, // only email type messages will be fetched
  subscriberId: '6444105141ffb0919496dfcb',
  transactionIds: ['644-41051-41ffb0-919496-dfcb'],
};

const { data: messagesData } = await novu.messages.list(listMessagesOptions);

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Mark an In-App Message as Read/Seen

You can mark an In-App message as read/seen. Messages from other channels: Email, Push, Chat, Sms can’t be marked as read/seen. 
const { data: markMessageAsRead } = await novu.subscribers.markMessageRead(
  'subscriberId',
  'messageId'
);

const { data: markMessageAsSeen } = await novu.subscribers.markMessageSeen(
  'subscriberId',
  'messageId'
);

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Mark an In-App Message as Read/Unread/Seen/Unseen

You can mark an In-App message as read/unread/seen/unseen. Messages from other channels: Email, Push, Chat, Sms can’t be marked as read/unread/seen/unseen. 
const { data: markMessageAs } = await novu.subscribers.markMessageAs(
  'subscriberId',
  'messageId',
  { seen: true, read: false }
);

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Mark all In-App Messages as Read/Unread/Seen/Unseen

You can mark all In-App messages as read/unread/seen/unseen. Messages from other channels: Email, Push, Chat, Sms can’t be marked as read/unread/seen/unseen. 
import { MarkMessagesAsEnum } from "@novu/node"

const { data: markAllInAppMessages } = await novu.subscribers.markAllMessagesAs(
   'subscriberId',

   // can be filtered with feed identifiers
   feedIdentifier: ['Marketing', 'Product']

   // MarkMessageAsEnum.READ => It will mark all messages as read
   // MarkMessageAsEnum.SEEN => It will mark all messages as seen
   // MarkMessageAsEnum.UNREAD => It will mark all messages as unread
   // MarkMessageAsEnum.UNSEEN => It will mark all messages as unseen
   markAs: MarkMessageAsEnum.Read
);

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Send Slack Notifications

You can send notifications to Slack Channels via Novu like so:
Node.js
import {
  Novu,
  ChatProviderIdEnum
} from '@novu/node';

const novu = new Novu("<NOVU_API_KEY>");

// Identify Subscriber
await novu.subscribers.identify('<SUBSCRIBER_ID>', {
  firstName: 'newSubForSlackChat',
});

// Set credentials for the Subscriber
await novu.subscribers.setCredentials('<SUBSCRIBER_ID>', ChatProviderIdEnum.Slack, {
  webhookUrl: "<WEBHOOK_URL>",
});

// Trigger slack notification
await novu.trigger('slack', {
  to: {
    subscriberId: '<SUBSCRIBER_ID>'
  },
  payload: {
    chatMsg: '<INSERT_MESSAGE_CONTENT>'
  }
});
where chatMsg is a payload variable in the workflow editor. Follow the full guide on how to send Slack notifications using Novu.
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