public string GetCategoryList(
	ConnectionId connectionId,
	SessionId sessionId,
	UnitId unitId,
	FolderReaderFolderSortOrder sortOrder
)

Public Function GetCategoryList ( 
	connectionId As ConnectionId,
	sessionId As SessionId,
	unitId As UnitId,
	sortOrder As FolderReaderFolderSortOrder
) As String

<root>
    <status>Integer value</status>
    <statustext>String value</statustext>
    <recordcount>Integer value</recordcount>
    <parentid>Integer value</parentid>
    <module>String value</module>
    <location>String value</location>
    <customviewurl>String value</customviewurl>
    <documenttype>Integer value</documenttype>
    <documentfilenamingconvention>Integer value</documentfilenamingconvention>
    <categories>
        <category>
            <id>Integer value</id>
            <name>String value</name>
            <type>String value</type>
            <module>String value</module>
            <description>String value</description>
            <hasdirectace>Bit value</hasdirectace>
            <documenttype>String value</documenttype>
            <documentfilenamingconvention>Integer value</documentfilenamingconvention>
            <filepath>Integer value</filepath>
        </category> 
        <!-- more category element can follow -->
    </categories>
</root>