A sample cms-content.xml file for the marketplace.

cms-content.xml

<root>
  <configuration>
    <custompropertydefinitions>
      <custompropertydefinition name="OriginalWizardFolderID" typename="System.Int32" />
      <custompropertydefinition name="LGNL_Id" typename="System.String" />
      <custompropertydefinition name="LGNL_IsDefault" typename="System.Boolean" />
    </custompropertydefinitions>
    <templates />
    <relationshiptypes />
  </configuration>
  <folder name="MyExport" menuname="My Export" order="35" includeinmenu="1" includeinsearch="1" includeinatoz="1" includeinsitemap="1" typeid="-1" homepageid="0">
    <customproperties />
    <children>
      <contentitem id="40621" guid="e549c572-c618-4941-b29b-8f3d09b52e91" typeid="2" name="Koala" title="Koala" menuname="Koala" order="1" includeinmenu="0" includeinsearch="1" includeinatoz="0" includeinsitemap="0" createddate="2014-07-09 07:59:17Z" url="/MyExport/Koala.jpg" expirydate="9999-01-01 00:00:00Z" physicalpath="\MyExport\Koala.jpg" />
    </children>
  </folder>
</root>