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XmlTransform
Last update:
May 18, 2026
Caution: Error while transforming
Sometimes, after using the xmlTransform function, you may see the following error:
Unable to process the XML string as it could probably contain file paths.
Workaround
Add the flag -Dcoldfusion.xml.allowPathCharacters=true in JVM Arguments on the Admin UI or the jvm.config file.
Description
Applies an Extensible Stylesheet Language Transformation (XSLT) to XML. The XML can be in string format or an XML document object.
Returns
A string containing the results of applying the XSLT to the XML.
Category
Function syntax
XmlTransform(xml, xsl[, params])See also
cfxml, XmlFormat, XmlNew, XmlParse, XmlSearch, XmlValidate; Using XML and WDDX in the Developing ColdFusion Applications
History
ColdFusion (2018 release): Introduced named parameters.
ColdFusion 10: Added support for XSLT 2.0 syntax
ColdFusion MX 7: Added the parameters parameter and the ability to use a file for the XSL.
ColdFusion MX: Added this function.
Parameters
Parameter | Description |
xml | An XML document in string format, or an XML document object |
xsl | XSLT transformation to apply; can be any of the following:Any of the following:
|
params | A structure containing XSL template parameter name-value pairs to use in transforming the document. The XSL transform defined in the xslString parameter uses these parameter values in processing the XML. |
Usage
An XSLT converts an XML document to another format or representation by applying an Extensible Stylesheet Language (XSL) stylesheet to it. XSL, including XSLT syntax is specified by the World Wide Web Consortium (W3C). For detailed information on XSL and XSLT, see the W3C website at www.w3.org/Style/XSL/.If the XSLT code contains include statements with relative paths, ColdFusion resolves them relative to the location of the XSLT file, or for an XSL string, the location of the current ColdFusion page.
Example
The following example converts an XML document that represents a customer order into an HTML document with the customer name and a table with the order items and quantities:The custorder.xml file that represents a customer order has the following lines:
<?xml version="1.0" encoding="UTF-8"?>
<order id="4323251">
<customer firstname="Philip" lastname="Cramer" accountNum="21"/>
<items>
<item id="43">
<name>Deluxe Carpenter's Hammer</name>
<quantity>1</quantity>
<unitprice>15.95</unitprice>
</item>
<item id="54">
<name>36" Plastic Rake</name>
<quantity>2</quantity>
<unitprice>6.95</unitprice>
</item>
<item id="68">
<name>Standard paint thinner</name>
<quantity>3</quantity>
<unitprice>8.95</unitprice>
</item>
</items>
</order>The custorder.xsd XSLT file that transforms the XML to HTML that displays the customer's name, and the items and quantities ordered has the following lines:
<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html" doctype-public="-//W3C//DTD HTML 4.0 Transitional//EN" />
<xsl:template match="/">
<html>
<body>
<table border="2" bgcolor="yellow">
<tr>
<th>Name</th>
<th>Price</th>
</tr>
<xsl:for-each select="breakfast_menu/food">
<tr>
<td>
<xsl:value-of select="name"/>
</td>
<td>
<xsl:value-of select="price"/>
</td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>The CFML file has the following lines:
<cffile action="read" file="C:\CFusionMX7\wwwroot\examples\custorder.xsl" variable="xmltrans">
<cfset xmldoc = XmlParse("C:\CFusionMX7\wwwroot\examples\custorder.xml")>
<cfoutput>#XmlTransform(xmldoc, xmltrans)#</cfoutput>
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