AWS Greengrass
Developer Guide

Configure Subscriptions

  1. To allow the HelloWorld_Publisher device to send a HelloWorld message to the HelloWorld_Subscriber device, choosing Subscriptions. Next, choose Add Subscriptions. For Select a source, choose Select, Devices, and HelloWorld_Publisher. Similarly, for Select a target, choose HelloWorld_Subscriber. Lastly, choose Next:

                            Screenshot of the Select your source and target page with
                                HelloWorld_Publisher, HelloWorld_Subscriber, and the Next button

    For Optional topic filter, type hello/world/pubsub:

                            Screenshot of the Optional topic filter field set to

    Then choose Next followed by Finish.


    You may delete subscriptions from the earlier modules. To do so, choose Subscriptions, choose an ellipsis () associated with a subscription, and then choose Delete.

  2. Under Actions, choose Deploy to deploy your configurations to your AWS Greengrass core device (with the AWS Greengrass core daemon running):

                            On the Deployments page, the Actions drop-down menu with Deploy

    To confirm a successful deployment, choose Deployments and you should see a Successfully completed message near the time you initiated the deployment.