Editing EPScript/Functions (section)

== Render Functions ==

=== action_button ===
Returns an XHTML object for the button of a particular action on a data object.
{{codesample|<pre>
 <print expr="$action.action_button()" />
</pre>}}

=== action_icon ===
Returns an XHTML object for the icon of a particular action on a data object.
{{codesample|<pre>
 <print expr="$action.action_icon()" />
</pre>}}

=== action_title ===
Returns an XHTML object for the title of a particular action on a data object.
{{codesample|<pre>
 <print expr="$action.action_title()" />
</pre>}}

=== citation ===
Renders the XHTML citation for a data object with a specified style.  Encapsulated within a link to 
{{codesample|<pre>
 <print expr="$item.citation('default')" />
</pre>}}

=== citation_link ===
Renders the XHTML citation for a data object with a specified style, where the title is encompassed by a link to the data object.
{{codesample|<pre>
 <print expr="$item.citation_link('default')" />
</pre>}}

=== dumper (3.4.4+) ===
Renders an XHTML pre element containing the type and serialization of a variable/metafield.  Useful for debugging workflow/citation issues.  Not particularly useful for data objects as dump will be too big to be rendered.
{{codesample|<pre>
 <print expr="creators.dumper" />
</pre>}}

=== embed_video ===
Renders an XHTML object to render an HTML5 video preview for a document that is a video or audio file.
{{codesample|<pre>
 <print expr="$doc.embed_video" />
</pre>}}

=== icon ===
Returns an XHTML object with thumbnail size icon preview of the document.  It can be called with various options to determine what to do when you hover over or click on the icon.
{{codesample|<pre>
  <epc:print expr="$doc.icon('HoverPreview','noNewWindow','previewLeft')}" />
</pre>}}

=== phrase ===
Returns an XHTML object for a phrase.
{{codesample|<pre>
 <print expr="phrase('lib/document:preview')" />
</pre>}}

=== preview_link ===
Returns an XHTML object containing an anchor (i.e. <tt><a href="..."></a></tt> linking to a particular type of preview image for a document.  This requires the citation link, the name of the set to preview and the type of preview image.
{{codesample|<pre>
 <print expr="$doc.preview_link($doc.citation_link('default'),'docs','lightbox')" />
</pre>}}

=== render_value_function ===
Renders an XHTML object of the value of a field using a bespoke rendering functions
{{codesample|<pre>
 <print expr="$item.render_value_function('highlight_internal_authors', 'creators')" />
</pre>}}