This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::SageMaker::Space S3FileSystem
<a name="aws-properties-sagemaker-space-s3filesystem"></a>

A custom file system in Amazon S3. This is only supported in Amazon SageMaker Unified Studio.

## Syntax
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To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-sagemaker-space-s3filesystem-syntax.json"></a>

```
{
  "[S3Uri](#cfn-sagemaker-space-s3filesystem-s3uri)" : String
}
```

### YAML
<a name="aws-properties-sagemaker-space-s3filesystem-syntax.yaml"></a>

```
  [S3Uri](#cfn-sagemaker-space-s3filesystem-s3uri): String
```

## Properties
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`S3Uri`  <a name="cfn-sagemaker-space-s3filesystem-s3uri"></a>
The Amazon S3 URI that specifies the location in S3 where files are stored, which is mounted within the Studio environment. For example: `s3://<bucket-name>/<prefix>/`.  
*Required*: No  
*Type*: String  
*Pattern*: `(s3)://([^/]+)/?(.*)`  
*Minimum*: `0`  
*Maximum*: `1024`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)