AWS IoT Greengrass Version 1 entered the extended life phase on June 30, 2023. For more information, see the AWS IoT Greengrass V1 maintenance policy. After this date, AWS IoT Greengrass V1 won't release updates that provide features, enhancements, bug fixes, or security patches. Devices that run on AWS IoT Greengrass V1 won't be disrupted and will continue to operate and to connect to the cloud. We strongly recommend that you migrate to AWS IoT Greengrass Version 2, which adds significant new features and support for additional platforms.
This module shows you how to create and deploy a Lambda function that sends MQTT messages from your AWS IoT Greengrass core device. The module describes Lambda function configurations, subscriptions used to allow MQTT messaging, and deployments to a core device.
Module 3 (Part 2) covers the differences between on-demand and long-lived Lambda functions running on the AWS IoT Greengrass core.
Before you begin, make sure that you have completed Module 1 and Module 2 and have a running AWS IoT Greengrass core device.
Tip
Or, to use a script that sets up your core device for you, see Quick start: Greengrass device setup. The script can also create and deploy the Lambda function used in this module.
This module should take about 30 minutes to complete.
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