test.xml

<?xml version="1.0" encoding="utf-8"?>
<executable>
  <category>Examples</category>
  <index>0</index>
  <title>test</title>
  <description><![CDATA[Apply a Gaussian blur to an image]]></description>
  <version>0.1.0.</version>
  <documentation-url>https://github.com/lassoan/SlicerPythonCLIExample</documentation-url>
  <license/>
  <contributor>Andras Lasso (PerkLab)</contributor>
  <acknowledgements><![CDATA[This work is part of the National Alliance for Medical Image Computing (NAMIC), funded by the National Institutes of Health through the NIH Roadmap for Medical Research, Grant U54 EB005149.]]></acknowledgements>
  <parameters>
    <label>IO</label>
    <description><![CDATA[Input/output parameters]]></description>
    <image>
      <name>inputVolume</name>
      <label>Input Volume</label>
      <channel>input</channel>
      <index>0</index>
      <description><![CDATA[Input volume]]></description>
    </image>
    <image reference="inputVolume">
      <name>outputVolume</name>
      <label>Output Volume</label>
      <channel>output</channel>
      <index>2</index>
      <description><![CDATA[Blurred Volume]]></description>
    </image>
  </parameters>
</executable>