Additional Oxygen XML WebHelp Plugin Parameters for DITA

You are able to append the following parameters to the command line that runs the transformation:
-Dwebhelp.sitemap.base.url
Base URL for all the loc elements in the generated sitemap.xml file. The value of a loc element is computed as the relative file path from the href attribute of a topicref element from the DITA map, appended to this base URL value. The loc element is mandatory in sitemap.xml. If you leave this parameter set to its default empty value, then the sitemap.xml file is not generated.
-Dwebhelp.sitemap.change.frequency
The value of the changefreq element in the generated sitemap.xml file. The changefreq element is optional in sitemap.xml. If you leave this parameter set to its default empty value, then the changefreq element is not added in sitemap.xml. Allowed values: <empty string> (default), always, hourly, daily, weekly, monthly, yearly, never.
-Dwebhelp.sitemap.priority
The value of the priority element in the generated sitemap.xml file. It can be set to any fractional number between 0.0 (least important priority) and 1.0 (most important priority), such as: 0.3, 0.5, 0.8, etc. The priority element is optional in sitemap.xml. If you leave this parameter set to its default empty value, then the priority element is not added in sitemap.xml.
-Dwebhelp.copyright
Adds a small copyright text that appears at the end of the Table of Contents pane.
-Dwebhelp.footer.file
Path to an XML file that includes the footer content for your WebHelp output pages. You can use this parameter to integrate social media features (such as widgets for Facebook™, Twitter™, Google Analytics, or Google+™). The file must be well-formed, each widget must be in separate div or span element, and the code for each script element is included in an XML comment (also, the start and end tags for the XML comment must be on a separate line). The following code exert is an example for adding a Facebook™ widget:
<div id="facebook">
    <div id="fb-root"/>
    <script>
            <!-- (function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; 
            js = d.createElement(s); js.id = id; js.src = "//connect.facebook.net/en_US/sdk.js#xfbml=1&version=v2.0"; 
            fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk')); -->
    </script>
    <div data-share="true" data-show-faces="true" data-action="like" data-layout="standard" class="fb-like"/>
</div>
-Dwebhelp.footer.include
Specifies whether or not to include footer in each WebHelp page. Possible values: yes, no. If set to no, no footer is added to the WebHelp pages. If set to yes and the webhelp.footer.file parameter has a value, then the content of that file is used as footer. If the webhelp.footer.file has no value then the default Oxygen XML Editor footer is inserted in each WebHelp page.
-Dwebhelp.logo.image (not available for the WebHelp Mobile transformation)
Specifies a path to an image displayed as a logo in the left side of the output header.
-Dwebhelp.logo.image.target.url (not available for the WebHelp Mobile transformation)
Specifies a target URL that is set on the logo image. When you click the logo image, you will be redirected to this address.
-Dwebhelp.search.ranking (not available for the WebHelp Mobile transformation)
If this parameter is set to false then the 5-star rating mechanism is no longer included in the search results that are displayed on the Search tab (default setting is true).
-Dwebhelp.search.japanese.dictionary
The file path of the dictionary that will be used by the Kuromoji morphological engine that Oxygen XML Editor uses for indexing Japanese content in the WebHelp pages. This indexer does not come bundled with Oxygen XML Editor or the Oxygen XML WebHelp plugin. To use it, you need to download it from http://mvnrepository.com/artifact/org.apache.lucene/lucene-analyzers-kuromoji/4.0.0 and add it in the DITA_OT_DIR/plugins/com.oxygenxml.webhelp/lib directory.
-Dwebhelp.google.search.script
Specifies the location of a well-formed XHTML file containing the Custom Search Engine script from Google. The value must be an URL.
-Dwebhelp.google.search.results
URL value that specifies the location of a well-formed XHTML file containing the Google Custom Search Engine element gcse:searchresults-only. You can use all supported attributes for this element. It is recommend to set the linkTarget attribute to frm for frameless (iframe) version of WebHelp or to contentWin for the frameset version of WebHelp. The default value for this attribute is _blank and the search results will be loaded in a new window. If this parameter is not specified, the following code will be used <gcse:searchresults-only linkTarget="frm"></gcse:searchresults-only>
-Dwebhelp.product.id (available only for the WebHelp with Feedback transformation)
This parameter specifies a short name for the documentation target, or product (for example, mobile-phone-user-guide, hvac-installation-guide).
Note: You can deploy documentation for multiple products on the same server.
Note: The following characters are not allowed in the value of this parameter: < > / \ ' ( ) { } = ; * % + &.
-Dwebhelp.product.version (available only for the WebHelp with Feedback transformation)
Specifies the documentation version number (for example, 1.0, 2.5, etc.). New user comments are bound to this version.
Note: Multiple documentation versions can be deployed on the same server.
Note: The following characters are not allowed in the value of this parameter: < > / \ ' ( ) { } = ; * % + &.
-Dwebhelp.skin.css (not available for the WebHelp Mobile transformation)
Path to a CSS file that sets the style theme in the output WebHelp pages. It can be one of the predefined skin CSS from the OXYGEN_INSTALL_DIR\frameworks\docbook\xsl\com.oxygenxml.webhelp\predefined-skins directory, or it can be a custom skin CSS generated with the Oxygen Skin Builder web application.
Note: Note that the fix.external.refs.com.oxygenxml parameter is not supported in Oxygen XML WebHelp plugin.
If you need to further customize the transformation process, you are able to append other DITA-OT parameters as well. Any parameter that you want to append must follow the -D model of the above parameters. For example, to append the args.hdr parameter, use:
-Dargs.hdr=[HEADER_FILE_DIR]
where [HEADER_FILE_DIR] is the location of the directory that contains the header file.