The type dx:charsXMLListType provides a list of strings (xs:string) with seperation by blank spaces.
The tree structure of the type dx:charsXMLListType has the following appearance:
<xs:simpleType name="charsXMLListType">
<xs:annotation>
<xs:documentation xml:lang="en">
Type providing listing of strings (xs:string)
with separation by blank spaces.
</xs:documentation>
</xs:annotation>
<xs:list itemType="xs:string"/>
</xs:simpleType >