Amazon Forecast is no longer available to new customers. Existing customers of Amazon Forecast can continue to use the service as normal. [Learn more"](https://aws.amazon.com/blogs/machine-learning/transition-your-amazon-forecast-usage-to-amazon-sagemaker-canvas/)

# DatasetSummary
<a name="API_DatasetSummary"></a>

Provides a summary of the dataset properties used in the [ListDatasets](https://docs.aws.amazon.com/forecast/latest/dg/API_ListDatasets.html) operation. To get the complete set of properties, call the [DescribeDataset](https://docs.aws.amazon.com/forecast/latest/dg/API_DescribeDataset.html) operation, and provide the `DatasetArn`.

**Important**  
Amazon Forecast is no longer available to new customers. Existing customers of Amazon Forecast can continue to use the service as normal. [Learn more"](http://aws.amazon.com/blogs/machine-learning/transition-your-amazon-forecast-usage-to-amazon-sagemaker-canvas/) 

## Contents
<a name="API_DatasetSummary_Contents"></a>

 ** CreationTime **   <a name="forecast-Type-DatasetSummary-CreationTime"></a>
When the dataset was created.  
Type: Timestamp  
Required: No

 ** DatasetArn **   <a name="forecast-Type-DatasetSummary-DatasetArn"></a>
The Amazon Resource Name (ARN) of the dataset.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `arn:([a-z\d-]+):forecast:.*:.*:.+`   
Required: No

 ** DatasetName **   <a name="forecast-Type-DatasetSummary-DatasetName"></a>
The name of the dataset.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 63.  
Pattern: `^[a-zA-Z][a-zA-Z0-9_]*`   
Required: No

 ** DatasetType **   <a name="forecast-Type-DatasetSummary-DatasetType"></a>
The dataset type.  
Type: String  
Valid Values: `TARGET_TIME_SERIES | RELATED_TIME_SERIES | ITEM_METADATA`   
Required: No

 ** Domain **   <a name="forecast-Type-DatasetSummary-Domain"></a>
The domain associated with the dataset.  
Type: String  
Valid Values: `RETAIL | CUSTOM | INVENTORY_PLANNING | EC2_CAPACITY | WORK_FORCE | WEB_TRAFFIC | METRICS`   
Required: No

 ** LastModificationTime **   <a name="forecast-Type-DatasetSummary-LastModificationTime"></a>
When you create a dataset, `LastModificationTime` is the same as `CreationTime`. While data is being imported to the dataset, `LastModificationTime` is the current time of the `ListDatasets` call. After a [CreateDatasetImportJob](https://docs.aws.amazon.com/forecast/latest/dg/API_CreateDatasetImportJob.html) operation has finished, `LastModificationTime` is when the import job completed or failed.  
Type: Timestamp  
Required: No

## See Also
<a name="API_DatasetSummary_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/forecast-2018-06-26/DatasetSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/forecast-2018-06-26/DatasetSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/forecast-2018-06-26/DatasetSummary)