(Quick Reference)
                respond
Purpose
Attempts to return the most appropriate type for the requested content type (specified by either the 
Accept header or file extension)
Examples
// pick the best content type to respond with
respond Book.get(1)// pick the best content type to respond with from the given formats
respond Book.get(1), [formats:['xml', 'json']]
Description
The respond method uses 
Content Negotiation to respond with the most appropriate content type. See the documentation on 
REST support for more information.
Parameters:
- object- The object to render
- arguments- A map of arguments.
Supported 
arguments:
- view- The view to use in case of HTML rendering
- model- The model to use in case of HTML rendering