# Dataset
<a name="API_Dataset"></a>

Provides metadata for a dataset.

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

 ** creationDateTime **   <a name="personalize-Type-Dataset-creationDateTime"></a>
The creation date and time (in Unix time) of the dataset.  
Type: Timestamp  
Required: No

 ** datasetArn **   <a name="personalize-Type-Dataset-datasetArn"></a>
The Amazon Resource Name (ARN) of the dataset that you want metadata for.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `arn:([a-z\d-]+):personalize:.*:.*:.+`   
Required: No

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

 ** datasetType **   <a name="personalize-Type-Dataset-datasetType"></a>
One of the following values:  
+ Interactions
+ Items
+ Users
+ Actions
+ Action\$1Interactions
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `^[A-Za-z_]+$`   
Required: No

 ** lastUpdatedDateTime **   <a name="personalize-Type-Dataset-lastUpdatedDateTime"></a>
A time stamp that shows when the dataset was updated.  
Type: Timestamp  
Required: No

 ** latestDatasetUpdate **   <a name="personalize-Type-Dataset-latestDatasetUpdate"></a>
Describes the latest update to the dataset.  
Type: [DatasetUpdateSummary](API_DatasetUpdateSummary.md) object  
Required: No

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

 ** schemaArn **   <a name="personalize-Type-Dataset-schemaArn"></a>
The ARN of the associated schema.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `arn:([a-z\d-]+):personalize:.*:.*:.+`   
Required: No

 ** status **   <a name="personalize-Type-Dataset-status"></a>
The status of the dataset.  
A dataset can be in one of the following states:  
+ CREATE PENDING > CREATE IN\$1PROGRESS > ACTIVE -or- CREATE FAILED
+ DELETE PENDING > DELETE IN\$1PROGRESS
Type: String  
Length Constraints: Maximum length of 256.  
Required: No

 ** trackingId **   <a name="personalize-Type-Dataset-trackingId"></a>
The ID of the event tracker for an Action interactions dataset. You specify the tracker's ID in the `PutActionInteractions` API operation. Amazon Personalize uses it to direct new data to the Action interactions dataset in your dataset group.  
Type: String  
Length Constraints: Maximum length of 256.  
Required: No

## See Also
<a name="API_Dataset_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/personalize-2018-05-22/Dataset) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/personalize-2018-05-22/Dataset) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/personalize-2018-05-22/Dataset)