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# AWS::ECR::ReplicationConfiguration RepositoryFilter
<a name="aws-properties-ecr-replicationconfiguration-repositoryfilter"></a>

The filter settings used with image replication. Specifying a repository filter to a replication rule provides a method for controlling which repositories in a private registry are replicated. If no filters are added, the contents of all repositories are replicated.

## Syntax
<a name="aws-properties-ecr-replicationconfiguration-repositoryfilter-syntax"></a>

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

### JSON
<a name="aws-properties-ecr-replicationconfiguration-repositoryfilter-syntax.json"></a>

```
{
  "[Filter](#cfn-ecr-replicationconfiguration-repositoryfilter-filter)" : String,
  "[FilterType](#cfn-ecr-replicationconfiguration-repositoryfilter-filtertype)" : String
}
```

### YAML
<a name="aws-properties-ecr-replicationconfiguration-repositoryfilter-syntax.yaml"></a>

```
  [Filter](#cfn-ecr-replicationconfiguration-repositoryfilter-filter): String
  [FilterType](#cfn-ecr-replicationconfiguration-repositoryfilter-filtertype): String
```

## Properties
<a name="aws-properties-ecr-replicationconfiguration-repositoryfilter-properties"></a>

`Filter`  <a name="cfn-ecr-replicationconfiguration-repositoryfilter-filter"></a>
The repository filter details. When the `PREFIX_MATCH` filter type is specified, this value is required and should be the repository name prefix to configure replication for.  
*Required*: Yes  
*Type*: String  
*Pattern*: `^(?:[a-z0-9]+(?:[._-][a-z0-9]*)*/)*[a-z0-9]*(?:[._-][a-z0-9]*)*$`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`FilterType`  <a name="cfn-ecr-replicationconfiguration-repositoryfilter-filtertype"></a>
The repository filter type. The only supported value is `PREFIX_MATCH`, which is a repository name prefix specified with the `filter` parameter.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `PREFIX_MATCH`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)