Choose an existing IAM role - Amazon Data Firehose
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Firehose supports database as a source in all Amazon Web Services Regions except China Regions, Amazon GovCloud (US) Regions, and Asia Pacific (Malaysia). This feature is in preview and is subject to change. Do not use it for your production workloads.

Choose an existing IAM role

You can choose from an existing IAM role. With this option, make sure that the IAM role you choose has a proper trust policy and permissions required for your source and destination. For more information, see Controlling access with Amazon Data Firehose.