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<title>Kernel Toolkit APIs: ENVAL^XPAR</title>
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<H3><a name="navskip">ENVAL^XPAR</a>(): Return All Parameter Instances</H3>
<P><B>Reference Type:</B> Supported, <B>Category:</B> Toolkit—Parameter Tools,
<B>ICR#:</B> 2263</P>
<H4><A NAME="description">Description</A></H4>
<P>The ENVAL^XPAR API returns all parameter instances.</P>
<p><b>REF:</b> For descriptive information about the elements and how they are used in the callable entry points into XPAR, see the “Definitions” section in the "Toolkit—Parameter Tools" section in the <i>Kernel
8.0 & Kernel Toolkit 7.3 Developer's Guide</i>.</p>
<H4><A NAME="format">Format</A></H4>
<PRE> ENVAL^XPAR(.list,parameter,instance[,.error][,gbl])</PRE>
<H4><A NAME="input_output_parameters">Input/Output Parameters</A></H4>
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<B>.list:</B>
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<p>(required) If the <strong>gbl</strong> parameter is set to <strong>1</strong>, then the
<strong>.list</strong> parameter becomes an input and holds the closed root of a global where the
<a href="getlst-xpar.html"
title="GETLST^XPAR API"
class="bodylink">GETLST^XPAR</a> API should put the output. For example:</p>
<pre> <strong>$NA(^TMP($J,”XPAR”))</strong></pre>
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<H4><A NAME="input_parameters">Input Parameters</A></H4>
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<B>parameter:</B>
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<P>(required) Can be passed in external or internal format. Identifies the name or internal entry number (IEN) of the parameter as defined in the PARAMETER DEFINITION
(#8989.51) file.</P>
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<B>instance:</B>
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<P>(required) Defaults to <strong>1</strong> if <i>not</i> passed. Can be passed in external or internal format. Internal format requires that the value be preceded by the grave accent (<b>`</b>) character.</P>
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<b>gbl:</b>
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<P>(optional) If this optional parameter is set to <strong>1</strong>, then the
<strong>.list</strong> parameter <i>must</i> be set before the call to the closed global root where the return data should be put. For example:</P>
<pre> S LIST=$NA(^TMP($J))
ENVAL^XPAR(LIST,par,inst,.error,1</pre>
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<H4><A NAME="output">Output Parameter</A></H4>
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<B>.error:</B>
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<P>(optional) If used, <i>must</i> be passed in by reference. It returns any error condition that may occur:</P>
<ul>
<li>
<strong>0 (Zero)—</strong>If no error occurs.
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<strong>#^<em>errortext</em>—</strong>If an error does occur.
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