al dynamic variable hasn't changed, it still points to the same object. This is similar to how passing arguments in <a href="../Expressions/Function Calls.html">function calls</a> works.</p>

<p><b>Note:</b> An underscore followed by a <i>capital</i> letter is a reference to the previous value of an overridden <a href="Global Names.html">global name</a>.</p>

<p>See also: 
<a href="../Functions/Implicit Dynamic Parameters.html">Implicit Dynamic Parameters</a></p>