example.xml

<values>
<value>
  <nid>33</nid>
  <name>Grand Strand Hospital</name>
  <type>ppcg_dcs</type>
  <vid>33</vid>
</value>

Fetch.xml

<?xml version="1.0" encoding="UTF-8"?>
 <callxml version="3.0">
  <fetch value="example.xml" var="myFetch" type="xml"/>
   <block label="Axes" value="$myFetch;">
   
<assign var="nid" expr="/var/myFetch/value/nid[1]/text()"/>
    <assign var="name" expr="/var/myFetch/value/name[1]/text()"/>
    <assign var="type" expr="/var/myFetch/value/type[1]/text()"/>
    <assign var="vid" expr="/var/myFetch/value/vid[1]/text()"/>
 
    <log>*** NID: $nid; ***</log> 
    <log>*** Name: $name; ***</log> 
    <log>*** Type: $type; ***</log> 
    <log>*** VID: $vid; ***</log> 
 
<say> our NID is $nid; </say>
<say> Name returned is $name; </say>
<say> Type is $type; </say>
<say> VID is $vid </say>
 
  </block>
</callxml>