# IteratorDescription
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Provides information about the current iterator.

## Contents
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 ** iteratorPosition **   <a name="keyspaces-Type-IteratorDescription-iteratorPosition"></a>
 Indicates the current iterator's position within the shard. The possible values are:   
+  `AT_TIP` - No more records are currently available.
+  `BEHIND_TIP` - Additional records may be available.
Stream progresses in absence of customer records. `BEHIND_TIP` with an empty `changeRecords` list indicates the stream is progressing but no customer records are available at this position. Continue polling normally.  
Type: String  
Valid Values: `AT_TIP | BEHIND_TIP`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/keyspacesstreams-2024-09-09/IteratorDescription) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/keyspacesstreams-2024-09-09/IteratorDescription) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/keyspacesstreams-2024-09-09/IteratorDescription)