# DataLakeDataset
<a name="API_DataLakeDataset"></a>

The data lake dataset details.

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

 ** arn **   <a name="supplychain-Type-DataLakeDataset-arn"></a>
The arn of the dataset.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 1011.  
Pattern: `arn:aws:scn(?::([a-z0-9-]+):([0-9]+):instance)?/([a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})[-_./A-Za-z0-9]*`   
Required: Yes

 ** createdTime **   <a name="supplychain-Type-DataLakeDataset-createdTime"></a>
The creation time of the dataset.  
Type: Timestamp  
Required: Yes

 ** instanceId **   <a name="supplychain-Type-DataLakeDataset-instanceId"></a>
The AWS Supply Chain instance identifier.  
Type: String  
Length Constraints: Fixed length of 36.  
Pattern: `[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}`   
Required: Yes

 ** lastModifiedTime **   <a name="supplychain-Type-DataLakeDataset-lastModifiedTime"></a>
The last modified time of the dataset.  
Type: Timestamp  
Required: Yes

 ** name **   <a name="supplychain-Type-DataLakeDataset-name"></a>
The name of the dataset. For **asc** namespace, the name must be one of the supported data entities under [https://docs.aws.amazon.com/aws-supply-chain/latest/userguide/data-model-asc.html](https://docs.aws.amazon.com/aws-supply-chain/latest/userguide/data-model-asc.html).  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 75.  
Pattern: `[a-z0-9_]+`   
Required: Yes

 ** namespace **   <a name="supplychain-Type-DataLakeDataset-namespace"></a>
The namespace of the dataset, besides the custom defined namespace, every instance comes with below pre-defined namespaces:  
+  **asc** - For information on the AWS Supply Chain supported datasets see [https://docs.aws.amazon.com/aws-supply-chain/latest/userguide/data-model-asc.html](https://docs.aws.amazon.com/aws-supply-chain/latest/userguide/data-model-asc.html).
+  **default** - For datasets with custom user-defined schemas.
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 50.  
Pattern: `[a-z0-9_]+`   
Required: Yes

 ** schema **   <a name="supplychain-Type-DataLakeDataset-schema"></a>
The schema of the dataset.  
Type: [DataLakeDatasetSchema](API_DataLakeDatasetSchema.md) object  
Required: Yes

 ** description **   <a name="supplychain-Type-DataLakeDataset-description"></a>
The description of the dataset.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 500.  
Required: No

 ** partitionSpec **   <a name="supplychain-Type-DataLakeDataset-partitionSpec"></a>
The partition specification for a dataset.  
Type: [DataLakeDatasetPartitionSpec](API_DataLakeDatasetPartitionSpec.md) object  
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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/supplychain-2024-01-01/DataLakeDataset) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/supplychain-2024-01-01/DataLakeDataset) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/supplychain-2024-01-01/DataLakeDataset)