<div dir="ltr"><div class="markdown-here-wrapper" style=""><p style="margin:0px 0px 1.2em!important">Hello,</p>
<p style="margin:0px 0px 1.2em!important">I can call methods on a Interop pointer as follows:</p>
<pre style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;font-size:1em;line-height:1.2em;margin:1.2em 0px"><code style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;margin:0px 0.15em;padding:0px 0.3em;white-space:pre-wrap;border:1px solid rgb(234,234,234);background-color:rgb(248,248,248);border-radius:3px;display:inline;white-space:pre;overflow:auto;border-radius:3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block!important">  var2 = R.c(&quot;Hello&quot;, &quot;beautiful&quot;, &quot;world!&quot;)
  var2.size
</code></pre><p style="margin:0px 0px 1.2em!important">However, let’s say that I want to dynamically create the call.  How do I do it?</p>
<pre style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;font-size:1em;line-height:1.2em;margin:1.2em 0px"><code style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;margin:0px 0.15em;padding:0px 0.3em;white-space:pre-wrap;border:1px solid rgb(234,234,234);background-color:rgb(248,248,248);border-radius:3px;display:inline;white-space:pre;overflow:auto;border-radius:3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block!important">  var2[&quot;size&quot;]

  &gt; NameError:
  &gt;      Unknown identifier: size

  var2.call(&quot;size&quot;)
  &gt; RuntimeError:
  &gt;       Message not supported: EXECUTE (UnsupportedMessageException)
</code></pre><p style="margin:0px 0px 1.2em!important">How do I do?</p>
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L2Rpdj48ZGl2PjwvZGl2Pg==" style="height:0;width:0;max-height:0;max-width:0;overflow:hidden;font-size:0em;padding:0;margin:0">​</div></div><div><div class="markdown-here-signature">-- <br><div dir="ltr" class="gmail_signature">Rodrigo Botafogo<br><br></div></div></div></div>