ConsumerDescription 
    class ConsumerDescription
An object that represents the details of a registered consumer. This type of object is returned by DescribeStreamConsumer.
Types
Properties
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                  When you register a consumer, Kinesis Data Streams generates an ARN for it. You need this ARN to be able to call SubscribeToShard.
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                  The name of the consumer is something you choose when you register the consumer.
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                  A consumer can't read data while in the CREATING or DELETING states.