command_2.xml

<?xml version="1.0" encoding="UTF-8"?>
<command id="descriptor:command2" name="descriptor:command2">
  <usages>
    <usage>descriptor:command2 [-o|--option_name] [--] &lt;argument_name&gt;</usage>
    <usage>descriptor:command2 -o|--option_name &lt;argument_name&gt;</usage>
    <usage>descriptor:command2 &lt;argument_name&gt;</usage>
  </usages>
  <description>command 2 description</description>
  <help>command 2 help</help>
  <arguments>
    <argument name="argument_name" is_required="1" is_array="0">
      <description></description>
      <defaults/>
    </argument>
  </arguments>
  <options>
    <option name="--option_name" shortcut="-o" accept_value="0" is_value_required="0" is_multiple="0">
      <description></description>
    </option>
  </options>
</command>