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::DynamoDB::Table S3BucketSource
<a name="aws-properties-dynamodb-table-s3bucketsource"></a>

 The S3 bucket that is being imported from. 

## Syntax
<a name="aws-properties-dynamodb-table-s3bucketsource-syntax"></a>

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

### JSON
<a name="aws-properties-dynamodb-table-s3bucketsource-syntax.json"></a>

```
{
  "[S3Bucket](#cfn-dynamodb-table-s3bucketsource-s3bucket)" : String,
  "[S3BucketOwner](#cfn-dynamodb-table-s3bucketsource-s3bucketowner)" : String,
  "[S3KeyPrefix](#cfn-dynamodb-table-s3bucketsource-s3keyprefix)" : String
}
```

### YAML
<a name="aws-properties-dynamodb-table-s3bucketsource-syntax.yaml"></a>

```
  [S3Bucket](#cfn-dynamodb-table-s3bucketsource-s3bucket): String
  [S3BucketOwner](#cfn-dynamodb-table-s3bucketsource-s3bucketowner): String
  [S3KeyPrefix](#cfn-dynamodb-table-s3bucketsource-s3keyprefix): String
```

## Properties
<a name="aws-properties-dynamodb-table-s3bucketsource-properties"></a>

`S3Bucket`  <a name="cfn-dynamodb-table-s3bucketsource-s3bucket"></a>
 The S3 bucket that is being imported from.   
*Required*: Yes  
*Type*: String  
*Pattern*: `^[a-z0-9A-Z]+[\.\-\w]*[a-z0-9A-Z]+$`  
*Maximum*: `255`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`S3BucketOwner`  <a name="cfn-dynamodb-table-s3bucketsource-s3bucketowner"></a>
 The account number of the S3 bucket that is being imported from. If the bucket is owned by the requester this is optional.   
*Required*: No  
*Type*: String  
*Pattern*: `[0-9]{12}`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`S3KeyPrefix`  <a name="cfn-dynamodb-table-s3bucketsource-s3keyprefix"></a>
 The key prefix shared by all S3 Objects that are being imported.   
*Required*: No  
*Type*: String  
*Maximum*: `1024`  
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)