o provide arguments that accept the bare name of the columns.</p>
<div class="sourceCode" id="cb190"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb190-1" title="1">gio &lt;-<span class="st"> </span><span class="cf">function</span>(data, source, target, value, ..., </a>
<a class="sourceLine" id="cb190-2" title="2">  <span class="dt">width =</span> <span class="ot">NULL</span>, <span class="dt">height =</span> <span class="ot">NULL</span>, <span class="dt">elementId =</span>