# NamespaceSummary
<a name="API_NamespaceSummary"></a>

A complex type that contains information about a namespace.

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

 ** Arn **   <a name="cloudmap-Type-NamespaceSummary-Arn"></a>
The Amazon Resource Name (ARN) that Amazon Cloud Map assigns to the namespace when you create it.  
Type: String  
Length Constraints: Maximum length of 255.  
Required: No

 ** CreateDate **   <a name="cloudmap-Type-NamespaceSummary-CreateDate"></a>
The date and time that the namespace was created.  
Type: Timestamp  
Required: No

 ** Description **   <a name="cloudmap-Type-NamespaceSummary-Description"></a>
A description for the namespace.  
Type: String  
Length Constraints: Maximum length of 1024.  
Required: No

 ** Id **   <a name="cloudmap-Type-NamespaceSummary-Id"></a>
The ID of the namespace.  
Type: String  
Length Constraints: Maximum length of 64.  
Required: No

 ** Name **   <a name="cloudmap-Type-NamespaceSummary-Name"></a>
The name of the namespace. When you create a namespace, Amazon Cloud Map automatically creates a Route 53 hosted zone that has the same name as the namespace.  
Type: String  
Length Constraints: Maximum length of 1024.  
Pattern: `^[!-~]{1,1024}$`   
Required: No

 ** Properties **   <a name="cloudmap-Type-NamespaceSummary-Properties"></a>
The properties of the namespace.  
Type: [NamespaceProperties](API_NamespaceProperties.md) object  
Required: No

 ** ResourceOwner **   <a name="cloudmap-Type-NamespaceSummary-ResourceOwner"></a>
The ID of the Amazon account that created the namespace. If this isn't your account ID, it's the ID of the account that shared the namespace with your account. For more information about shared namespaces, see [Cross-account Amazon Cloud Map namespace sharing](https://docs.amazonaws.cn/cloud-map/latest/dg/sharing-namespaces.html) in the * Amazon Cloud Map Developer Guide*.  
Type: String  
Length Constraints: Fixed length of 12.  
Required: No

 ** ServiceCount **   <a name="cloudmap-Type-NamespaceSummary-ServiceCount"></a>
The number of services that were created using the namespace.  
Type: Integer  
Required: No

 ** Type **   <a name="cloudmap-Type-NamespaceSummary-Type"></a>
The type of the namespace, either public or private.  
Type: String  
Valid Values: `DNS_PUBLIC | DNS_PRIVATE | HTTP`   
Required: No

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/servicediscovery-2017-03-14/NamespaceSummary) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/servicediscovery-2017-03-14/NamespaceSummary) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/servicediscovery-2017-03-14/NamespaceSummary)