Version: v2

Subscription with Message Ordering

Messages published with the same ordering_key in PubsubMessage will be delivered to the subscribers in the order in which they are received by the Pub/Sub system.

"/pubsub/subscriptions/simple.topic.name.subscription.sub.js

exports.default = {
  topicName: 'test.topic',
  subscriptionName: 'test.topic.sub',
  description: 'Will console log messages published on test.topic',
  options: {
    enableMessageOrdering: true,
  },
  handleMessage: function (message) {
    console.log(`received a message on ${this.subscriptionName}`);
    console.log(message.data.toString());
  },
};