The choice Element
The choice element provides an
XML representation for describing a selection from a set of
element types. An XML instance contains elements that
correspond to a selection from the set of element types defined
by the choice element in an XML
Schema Document. The minOccurs and
maxOccurs attributes may permit the
XML instance to select several (e.g., between two and four)
occurrences of element types from the set.
<xsd:group name="priceGroup">
<xsd:annotation>
<xsd:documentation xml:lang="en">
A price is any one of the following:
* Full Price (with amount)
* Sale Price (with amount and authorization)
* Clearance Price (with amount and authorization)
* Free (with authorization)
</xsd:documentation>
</xsd:annotation>
<xsd:choice id="pg.choice">
<xsd:element name="fullPrice"
type="fullPriceType"/>
<xsd:element name="salePrice"
type="salePriceType"/>
<xsd:element name="clearancePrice"
type="clearancePriceType"/>
<xsd:element name="freePrice" type="freePriceType"/>
</xsd:choice>
</xsd:group>
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