The custom.xml file has an <actions> element for every custom action on the Controller.

The <type> element contains the subdirectory that contains the script file.

The <executable> element contains the name of the script.

Sample custom.xml File

<custom-actions>
  <action>
     <type>jira</type>
     <executable>script1.bat</executable>
  </action>
  <action>
    <type>bugzilla</type>
    <executable>script2.sh</executable>
  </action>
</custom-actions>