# DataSegmentRelationshipSummary
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Contains summary information about a data segment relationship between a source session dataset that contains the data and a curated dataset that references it, including the time series and timestamp range.

## Contents
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 ** endTimestamp **   <a name="iotsitewise-Type-DataSegmentRelationshipSummary-endTimestamp"></a>
The nanosecond-precision end time of the data segment.  
Type: [TimeInNanos](API_TimeInNanos.md) object  
Required: Yes

 ** sourceDatasetId **   <a name="iotsitewise-Type-DataSegmentRelationshipSummary-sourceDatasetId"></a>
The ID of the source session dataset that contains the data segment.  
Type: String  
Length Constraints: Fixed length of 36.  
Pattern: `^(?!00000000-0000-0000-0000-000000000000)[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`   
Required: Yes

 ** startTimestamp **   <a name="iotsitewise-Type-DataSegmentRelationshipSummary-startTimestamp"></a>
The nanosecond-precision start time of the data segment.  
Type: [TimeInNanos](API_TimeInNanos.md) object  
Required: Yes

 ** targetDatasetId **   <a name="iotsitewise-Type-DataSegmentRelationshipSummary-targetDatasetId"></a>
The ID of the curated dataset that references the data segment.  
Type: String  
Length Constraints: Fixed length of 36.  
Pattern: `^(?!00000000-0000-0000-0000-000000000000)[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`   
Required: Yes

 ** timeSeriesId **   <a name="iotsitewise-Type-DataSegmentRelationshipSummary-timeSeriesId"></a>
The ID of the time series.  
Type: String  
Length Constraints: Minimum length of 36. Maximum length of 73.  
Required: Yes

## 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/iotsitewise-2019-12-02/DataSegmentRelationshipSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotsitewise-2019-12-02/DataSegmentRelationshipSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotsitewise-2019-12-02/DataSegmentRelationshipSummary)