AWS IoT SiteWise now supports user-defined unique identifiers

AWS IoT SiteWise now supports the use of user-defined unique identifiers for asset, asset models, properties and hierarchies. This new feature allows consistency and control using identifiers for assets and asset models in AWS IoT SiteWise, especially for companies that have modeled their industrial equipment in multiple systems or AWS IoT SiteWise instances. With this feature, industrial customers can provide user-defined identifiers, allowing them to use their own IDs in place of the AWS IoT SiteWise auto-generated IDs. Additionally, a new external ID field is introduced to facilitate mapping from their other systems. Until now, auto-generated IDs made it challenging to maintain consistency with existing identifiers from external systems or other AWS IoT SiteWise instances. Now, users can seamlessly reuse their own identifiers without the need to maintain mapping between such IDs and AWS IoT SiteWise generated IDs. Also, customers who operate different AWS IoT SiteWise environments, such as development and production, will be able to reuse the same IDs for their resources across these environments. This feature is available in all regions where AWS IoT Sitewise is available. [AWS IoT SiteWise](https://aws.amazon.com/iot-sitewise/) is a managed service that makes it easy to collect, store, organize and monitor data from industrial equipment at scale to help you make data-driven decisions. To learn more, please visit the [developer guide](https://docs.aws.amazon.com/iot-sitewise/).