s names starting with <code>_number_</code> followed by anything you'd like and implement the interface <code>IMigration</code>.</p>
<p>here are a couple of valid migration class definitions:</p>
<pre><code class="lang-csharp">public class _001_i_will_be_run_first : IMigration { }
public class _002_i_will_be_run_second : IMigration { }
public class _003_i_will_be_run_third : IMigration { }
</code></pre>
<p>next implement the <code>UpgradeAsync()</code> method of IMigration and place your migration logic the