Sets the structure of the message.
Valid values: "json"

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 PublishRequest WithMessageStructure( string messageStructure )

- messageStructure (String)
- The structure of the message.

this instance