ost</code>. The matching file names of the Controller and the Route signals to Ember that this Controller must be used when landing on the <code>blog-post</code> Route.</p>
</section>
<h3 id="toc_where-and-when-to-use-controllers">Where and When to use Controllers? <a href="#toc_where-and-when-to-use-controllers"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
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