Defines a data type restricted to two values: true or false.
| Namespace | urn:schemas-microsoft-com:office:spreadsheet | 
| Schema name | XML Spreadsheet 2002 | 
      
<xsd:simpleType name="TrueFalseType" >
  <xsd:restriction base="xsd:string">
    <xsd:enumeration value="0" />
    <xsd:enumeration value="1" />
  </xsd:restriction>
</xsd:simpleType>