title: What is Id parameter on CoreService2010Client Localize method
body: <p>I need to localize a bunch of content components for testing to prove the different sites I have created for each support language is pulling from the correct content. </p>
  
  <p>I see Core services (<code>CoreService2010Client</code>) has a method <code>Localize</code>, but, in general, how do you use it? Specifically, I'm wonder if calling it just localizes the component and then I can modify the component? Do I still need to call <code>CheckOut</code> and <code>CheckIn</code> on the TCM Id of the language item?</p>
  
  <pre><code>public RepositoryLocalObjectData Localize(string id, ReadOptions readBackOptions)
  </code></pre>
  
  <p>Once I get all the components localized and acceptance testing passes, what is the easiest way to UN-Localize everything I did?</p>