(Quick Reference) # 10.12.2 Atom Support Version: 6.0.0 ## 10.12.2 Atom Support Atom is another standard interchange format used to implement REST APIs. An example of Atom output can be seen below:
    <?xml version="1.0" encoding="utf-8"?>
    <feed xmlns="http://www.w3.org/2005/Atom">

     <title>Example Feed</title>
     <link href="http://example.org/"/>
     <updated>2003-12-13T18:30:02Z</updated>
     <author>
       <name>John Doe</name>
     </author>
     <id>urn:uuid:60a76c80-d399-11d9-b93C-0003939e0af6</id>

     <entry>
       <title>Atom-Powered Robots Run Amok</title>
       <link href="http://example.org/2003/12/13/atom03"/>
       <id>urn:uuid:1225c695-cfb8-4ebb-aaaa-80da344efa6a</id>
       <updated>2003-12-13T18:30:02Z</updated>
       <summary>Some text.</summary>
     </entry>

    </feed>
To use Atom rendering again simply define a custom renderer:
    import grails.rest.render.atom.*
    beans = {
        halBookRenderer(AtomRenderer, rest.test.Book)
        halBookListRenderer(AtomCollectionRenderer, rest.test.Book)
    }
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