id() function
File: Data.xml <?xml version="1.0" encoding="UTf-8" ?> <emailList> <person> <name>name 1</name> <email>g@gmail.com</email> </person> <person> <name>name 2</name> <email>n@hotmail.com</email> </person> </emailList> File: Transform.xslt <?xml version="1.0"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"> <xsl:apply-templates /> </xsl:template> <xsl:template match="emailList/person"> <xsl:if test="id('p001 p002')"> <div id="{@id}"> <div> <xsl:value-of select="name" /> </div> <div> <xsl:value-of select="email" /> </div> </div> </xsl:if> </xsl:template> </xsl:stylesheet>