Synopsis

<p:declare-step type="p:insert">
     <p:input port="source" primary="true"/>
     <p:input port="insertion" sequence="true"/>
     <p:output port="result"/>
     <p:option name="match" select="'/*'"/>                        <!-- XSLTMatchPattern -->
     <p:option name="position" required="true"/>                   <!-- "first-child" | "last-child" | "before" | "after" -->
</p:declare-step>