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In this guide you will learn how to use Node’s <code class="markup--code markup--p-code">util.promisify</code> to promisify your own functions. This utility function was included in NodeJS version 8. If you plan to follow along with this guide you’ll need to install the latest version. As an added bonus I also show you how to use <code class="markup--code markup--p-code">promisify</code> with <code class="markup--code markup--p-code">await</code> and <code class="markup--code markup--p-code">async</code>.