Tag a Firehose stream
You can assign your own metadata to Firehose streams that you create in Amazon Data Firehose in the form of tags. A tag is a key-value pair that you define for a stream. Using tags is a simple yet powerful way to manage Amazon resources and organize data, including billing data.
You can specify tags when you invoke CreateDeliveryStream to create a new Firehose stream. For existing Firehose streams, you can add, list, and remove tags using the following three operations: