# IdNamespaceSummary
<a name="API_IdNamespaceSummary"></a>

A summary of ID namespaces.

## Contents
<a name="API_IdNamespaceSummary_Contents"></a>

 ** createdAt **   <a name="API-Type-IdNamespaceSummary-createdAt"></a>
The timestamp of when the ID namespace was created.  
Type: Timestamp  
Required: Yes

 ** idNamespaceArn **   <a name="API-Type-IdNamespaceSummary-idNamespaceArn"></a>
The Amazon Resource Name (ARN) of the ID namespace.  
Type: String  
Pattern: `arn:(aws|aws-us-gov|aws-cn):entityresolution:[a-z]{2}-[a-z]{1,10}-[0-9]:[0-9]{12}:(idnamespace/[a-zA-Z_0-9-]{1,255})`   
Required: Yes

 ** idNamespaceName **   <a name="API-Type-IdNamespaceSummary-idNamespaceName"></a>
The name of the ID namespace.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `[a-zA-Z_0-9-]*`   
Required: Yes

 ** type **   <a name="API-Type-IdNamespaceSummary-type"></a>
The type of ID namespace. There are two types: `SOURCE` and `TARGET`.  
The `SOURCE` contains configurations for `sourceId` data that will be processed in an ID mapping workflow.   
The `TARGET` contains a configuration of `targetId` which all `sourceIds` will resolve to.  
Type: String  
Valid Values: `SOURCE | TARGET`   
Required: Yes

 ** updatedAt **   <a name="API-Type-IdNamespaceSummary-updatedAt"></a>
The timestamp of when the ID namespace was last updated.  
Type: Timestamp  
Required: Yes

 ** description **   <a name="API-Type-IdNamespaceSummary-description"></a>
The description of the ID namespace.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 255.  
Required: No

 ** idMappingWorkflowProperties **   <a name="API-Type-IdNamespaceSummary-idMappingWorkflowProperties"></a>
An object which defines any additional configurations required by the ID mapping workflow.  
Type: Array of [IdNamespaceIdMappingWorkflowMetadata](API_IdNamespaceIdMappingWorkflowMetadata.md) objects  
Array Members: Fixed number of 1 item.  
Required: No

## See Also
<a name="API_IdNamespaceSummary_SeeAlso"></a>

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/entityresolution-2018-05-10/IdNamespaceSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/entityresolution-2018-05-10/IdNamespaceSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/entityresolution-2018-05-10/IdNamespaceSummary)