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AWS IoT
Developer Guide

Device Provisioning

To provision a device, create a template that describes the resources required for your device. Devices require a thing, a certificate, and one or more policies. A thing is an entry in the registry that contains attributes that describe the device. Devices use certificates to authenticate with AWS IoT. Policies determine which operations a device can perform in AWS IoT.

Templates contain variables that are replaced when the template is used to provision a device. A dictionary (map) is used to provide values for the variables used in a template. You can use the same template to provision multiple devices. You simply pass in different values for the template variables in the dictionary.