Add a new action for this step to perform. These actions can be to modify
            or add instance groups. This step supports multiple actions, but requires
            at least one be specified.
            
 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 ResizeJobFlowStep WithResizeAction( ResizeAction resizeAction )
 Parameters
 Parameters- resizeAction (ResizeAction)
- An instance of ResizeAction defining the change.
 Return Value
 Return ValueA reference to this updated object so that method calls can be chained
                    together.