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# AWS::DynamoDB::GlobalTable GlobalTableWitness
<a name="aws-properties-dynamodb-globaltable-globaltablewitness"></a>

The witness Region for the MRSC global table. A MRSC global table can be configured with either three replicas, or with two replicas and one witness.

The witness must be in a different Region than the replicas and within the same Region set:
+ US Region set: US East (N. Virginia), US East (Ohio), US West (Oregon)
+ EU Region set: Europe (Ireland), Europe (London), Europe (Paris), Europe (Frankfurt)
+ AP Region set: Asia Pacific (Tokyo), Asia Pacific (Seoul), Asia Pacific (Osaka)

## Syntax
<a name="aws-properties-dynamodb-globaltable-globaltablewitness-syntax"></a>

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

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

```
{
  "[Region](#cfn-dynamodb-globaltable-globaltablewitness-region)" : {{String}}
}
```

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

```
  [Region](#cfn-dynamodb-globaltable-globaltablewitness-region): {{String}}
```

## Properties
<a name="aws-properties-dynamodb-globaltable-globaltablewitness-properties"></a>

`Region`  <a name="cfn-dynamodb-globaltable-globaltablewitness-region"></a>
The name of the AWSRegion that serves as a witness for the MRSC global table.  
*Required*: No  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)