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AWS Greengrass
Developer Guide

Module 4: Interacting with Devices in an AWS Greengrass Group

This module shows you how AWS IoT devices can connect to and communicate with an AWS Greengrass core device. AWS IoT devices that connect to an AWS Greengrass core are part of an AWS Greengrass group and can participate in the AWS Greengrass programming paradigm. In this module, one AWS Greengrass device sends a "Hello World" message to another AWS Greengrass device within the AWS Greengrass group:


                AWS IoT connected to an AWS Greengrass core, which is connected to AWS Greengrass device #1 and
                    AWS Greengrass device #2.

Before you begin, make sure that you have completed Module 1, Module 2, Module 3 (Part 1), and Module 3 (Part 2). You do not need other components or devices. This module should take less than 30 minutes to complete.