If you add the {{action}} helper to...">

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  <meta property="og:title" content="Actions - Templating - Ember Guides">

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  <meta property="og: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. 

If you add the {{action}} helper to...">

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