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<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2016"><meta name="DC.rights.owner" content="(C) Copyright 2016"><meta name="DC.Type" content="reference"><meta name="description" content="You can use theses extension points to pass parameters into existing XSLT steps in both the pre-processing pipeline and DITA-OT transformation. The parameters generally will be available as global xsl:param values with XSLT overrides."><meta name="DC.Relation" scheme="URI" content="../dev_ref/plugin-extension-points.html"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="plugin-extension-points-xslt-parameters"><link rel="stylesheet" type="text/css" href="../css/commonltr.css"><link rel="stylesheet" type="text/css" href="../css/dita-ot-doc.css"><title>XSLT-parameter extension points</title></head><body id="plugin-extension-points-xslt-parameters"><header role="banner"><div class="header">
  <p>DITA Open Toolkit</p>
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  <h1 class="title topictitle1" id="ariaid-title1">XSLT-parameter extension points</h1>
  
  <div class="body refbody"><p class="shortdesc">You can use theses extension points to pass parameters into existing XSLT steps in both the pre-processing
    pipeline and DITA-OT transformation. The parameters generally will be available as global
      <code class="keyword markupname xmlelement">&lt;xsl:param&gt;</code> values with XSLT overrides.</p>
    <section class="section"><h2 class="title sectiontitle">Pre-processing</h2>
      
      <p class="p">You can use the following extension points to pass parameters to modules in the pre-processing pipeline:</p>
      <dl class="dl">
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.preprocess.conref.param</span></dt>
          <dd class="dd">Pass parameters to the <code class="ph codeph">conref</code> module in the pre-processing pipeline</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.preprocess.maplink.param</span></dt>
          <dd class="dd">Pass parameters to the <code class="ph codeph">maplink</code> module in the pre-processing pipeline</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.preprocess.mappull.param</span></dt>
          <dd class="dd">Pass parameters to the <code class="ph codeph">mappull</code> module in the pre-processing pipeline</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.preprocess.mapref.param</span></dt>
          <dd class="dd">Pass parameters to the <code class="ph codeph">mapref</code> module in the pre-processing pipeline</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.preprocess.topicpull.param</span></dt>
          <dd class="dd">Pass parameters to the <code class="ph codeph">topicpull</code> module in the pre-processing pipeline</dd>
        
      </dl>
    </section>
    <section class="section"><h2 class="title sectiontitle">Transformations</h2>
      
      <p class="p">You can use the following extension points to pass parameters to modules in DITA-OT transformations:</p>
      <dl class="dl">
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.conductor.eclipse.toc.param</span></dt>
          <dd class="dd">Pass parameters to the XSLT step that generates the Eclipse Help table of contents (TOC).</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.conductor.html.param</span></dt>
          <dd class="dd">Pass parameters to the HTML and HTML Help transformations.</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.conductor.pdf2.param</span></dt>
          <dd class="dd">Pass parameters to the PDF (formerly PDF2) transformation.</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.conductor.xhtml.param</span></dt>
          <dd class="dd">Pass parameters to the XHTML and Eclipse Help transformations.</dd>
        
        
          <dt class="dt dlterm"><span class="keyword parmname">dita.conductor.xhtml.toc.param</span></dt>
          <dd class="dd">Pass parameters to to the XSLT step that generates the XHTML table of contents (TOC).</dd>
        
      </dl>
    </section>
    <div class="example"><h2 class="title sectiontitle">Example</h2>
      
      <p class="p">The following two files represent a complete (albeit simple) plug-in that passes the
        parameters defined in the <span class="ph filepath">insertParameters.xml</span> file to the XHTML
        transformation process.</p>
      <figure class="fig fignone"><figcaption><span class="fig--title-label">Figure 1. </span>Contents of the <span class="ph filepath">plugin.xml</span> file</figcaption>
        
        <pre class="pre codeblock"><code>&lt;plugin id="com.example.newparam"&gt;
  &lt;feature extension="dita.conductor.xhtml.param" file="insertParameters.xml"/&gt;
&lt;/plugin&gt;</code></pre>
      </figure>
      <figure class="fig fignone"><figcaption><span class="fig--title-label">Figure 2. </span>Contents of the <span class="ph filepath">insertParameters.xml</span></figcaption>
        
        <pre class="pre codeblock"><code>&lt;dummy&gt;
  &lt;!-- Any Ant code allowed in xslt task is possible. Common example: --&gt;
  &lt;param name="paramNameinXSLT" expression="${antProperty}" if="antProperty"/&gt;
&lt;/dummy&gt;</code></pre>
      </figure>
    </div>
  </div>
<nav role="navigation" class="related-links"><div class="familylinks"><div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../dev_ref/plugin-extension-points.html" title="The DITA Open Toolkit provides a series of extension points that can be used to integrate changes into the core code. Extension points are defined in the plugin.xml file for each plug-in. When plug-ins are installed, the DITA-OT makes each extension visible to the rest of the toolkit.">Extension points</a></div></div></nav></article></main></body></html>