Map one more column map within a single XSD element.
I have export the xml file from the excel file format, the data has in one
more column a xml element data. How can I map one more column?

In my XSD (problem is "sub-item" element)

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
<xsd:element name="body"
<xsd:complexType
<xsd:sequence
<xsd:element name="item-group" minOccurs="0" maxOccurs="unbounded"
<xsd:complexType
<xsd:sequence
<xsd:element name="item" type="xsd:string"/
<xsd:element name="sub-item" type="xsd:string" maxOccurs="unbounded"/
<xsd:element name="reference-targets" type="xsd:string"/
</xsd:sequence
</xsd:complexType
</xsd:element
</xsd:sequence
</xsd:complexType
</xsd:element
</xsd:schema