# Greengrass Discovery [**Return to main sample list**](./README.md) This sample is intended for use with the following tutorials in the AWS IoT Greengrass documentation: * [Connect and test client devices](https://docs.aws.amazon.com/greengrass/v2/developerguide/client-devices-tutorial.html) (Greengrass V2) * [Test client device communications](https://docs.aws.amazon.com/greengrass/v2/developerguide/test-client-device-communications.html) (Greengrass V2) * [Getting Started with AWS IoT Greengrass](https://docs.aws.amazon.com/greengrass/latest/developerguide/gg-gs.html) (Greengrass V1)