```ruby
# frozen_string_literal: true

module Pragma
  module Operation
    module Macro
      def self.Decorator
        step = ->(input, options) { Decorator.for(input, options) }
        [step, name: 'decorator']
      end

      module Decorator
        class << self
          def for(_input, options)
            options['result.decorator.default'] = options['decorator.default.class'].represent(
              options['model']
            )
          end
        end
      end
    end
  end
end
```

Support :name option for Decorator macro
user
```ruby
# frozen_string_literal: true

module Pragma
  module Operation
    module Macro
      def self.Decorator(name: :default)
        step = ->(input, options) { Decorator.for(input, name, options) }
        [step, name: "decorator.#{name}"]
      end

      module Decorator
        class << self
          def for(_input, name, options)
            options["result.decorator.#{name}"] = options["decorator.#{name}.class"].represent(
              options['model']
            )
          end
        end
      end
    end
  end
end
```
assistant