# S3DataSource
<a name="API_S3DataSource"></a>

The Amazon S3 data source of the model to import. For the [CreateCustomModel](https://docs.aws.amazon.com/bedrock/latest/APIReference/API_CreateCustomModel.html) API operation, you must specify the Amazon S3 URI for the Amazon-managed Amazon S3 bucket containing your model artifacts. SageMaker AI creates this bucket when you run your first SageMaker AI training job.

## Contents
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 ** s3Uri **   <a name="bedrock-Type-S3DataSource-s3Uri"></a>
The URI of the Amazon S3 data source.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `s3://[a-z0-9][-.a-z0-9]{1,61}[a-z0-9](?:/[-!_*'().a-z0-9A-Z]+(?:/[-!_*'().a-z0-9A-Z]+)*)?/?`   
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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/bedrock-2023-04-20/S3DataSource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-2023-04-20/S3DataSource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-2023-04-20/S3DataSource)