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The Parameter.Cardinality element specifies the cardinality of the parameter, which indicates whether this is a multivalue parameter that provides a set of values of the type specified by the value of the sibling Parameter.Cardinality element.
The Parameter.Cardinality element is optional. If this element is present, its value MUST be a String that is one of the following:
One (default): Specifies that the parameter provides a single value.
Many: Specifies that the parameter provides a set of values of the specified type.
If the Parameter.Cardinality element is not present, its value is interpreted as "One".
The value of the Parameter.Cardinality element MUST match the cardinality of the value of the sibling Parameter.Expression element if present, that is, the value of the Parameter.Expression element MUST be either a scalar or a set depending upon whether the value of the Parameter.Cardinality element is "One" or "Many".
The following is the parent element of the Parameter.Cardinality element.
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Parent elements |
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The following is the XML Schema definition of the Parameter.Cardinality element.
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<xsd:element name="Cardinality" minOccurs="0"> <xsd:simpleType> <xsd:restriction base="xsd:string"> <xsd:enumeration value="One" /> <xsd:enumeration value="Many" /> </xsd:restriction> </xsd:simpleType> </xsd:element>