Sets the AttributeNameCount property
            
 Declaration Syntax
 Declaration Syntax| C# | 
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public DomainMetadataResult WithAttributeNameCount( string attributeNameCount )
 Parameters
 Parameters- attributeNameCount (String)
- The number of unique attribute names in the domain.
 Return Value
 Return Valuethis instance