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<!-- EMBER_CLI_FASTBOOT_TITLE -->  <meta name="ember-cli-head-start" content>  <title>Actions - Templating - Ember Guides</title>

  <meta name="description" content="Your app will often need a way to let users interact with controls that change application state. For example, imagine that you have a template that shows a blog title, and supports expanding the post to show the body. 

