code: func Description(d string) {
  	switch def := dslengine.CurrentDefinition().(type) {
  	case *design.APIDefinition:
  		def.Description = d
  	case *design.ResourceDefinition:
  		def.Description = d
  	case *design.FileServerDefinition:
  		def.Description = d
  	case *design.ActionDefinition:
  		def.Description = d
  	case *design.MediaTypeDefinition:
  		def.Description = d
  	case *design.AttributeDefinition:
  		def.Description = d
  	case *design.ResponseDefinition:
  		def.Description = d
  	case *design.DocsDefinition:
  		def.Description = d
  	case *design.SecuritySchemeDefinition:
  		def.Description = d
  	default:
  		dslengine.IncompatibleDSL()
  	}
  }
docs: // Description can be used in: API, Resource, Action, MediaType, Attribute, Response or ResponseTemplate
  //
  // Description sets the definition description.