How to configure LWT with AWS Amplify PubSub module.

Question

We are trying to detect mobile app's MQTT client abrupt disconnections.
Is it possible to configure Last Will and Testament with AWS Amplify PubSub module? If so how can we enable and configure this?
There does not seem to be anything mentioned in the docs we refer to: https://docs.amplify.aws/lib/pubsub/subunsub/q/platform/js/#subscription-connection-status-updates

MassimilianoAWS · Answer

Hi,
you can detect client disconnections also using [AWS IoT Core Lifecycle events](https://docs.aws.amazon.com/iot/latest/developerguide/life-cycle-events.html). These events are published on reserved topics and can be subscribed by an [AWS IoT Rule](https://docs.aws.amazon.com/iot/latest/developerguide/iot-rules.html) that can send the information to downstream application for further actions. You can have a look at these two projects on how to use such events in your backend:

https://github.com/mangelino/aws-iot-device-connectivy-tracking

https://github.com/aws-samples/connectivity-management-example-for-aws-iot-core

How to configure LWT with AWS Amplify PubSub module.

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