must match the name of the operation, with a .ps1 extension. 
Put your custom operations in the <code>Operations</code> directory under the Rivet module.</p>

<p>So, if you want to create a custom <code>Add-StandardTable</code> operation, you would create 
an <code>Operations\Add-StandardTable.ps1</code> file that looked like this:</p>

<pre><code>function Add-StandardTable
{
}
</code></pre>

<p>Operations take no parameters. They should return one or more <code>Rivet.Operation</code> 
objects. See the <cod