2.2.1.2.128 calculatedField
The calculatedField element specifies an individual calculation, when the calculation is to be performed, and where there the result is stored.
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Attributes:
expression: This attribute specifies the formula, as an XPath expression, to be evaluated. The result MUST be stored in the target attribute.
refresh: This attribute specifies when the expression MUST be evaluated. The value MUST be one of the following values:
onInit: The value is evaluated when the node is initialized
onChange: The value is evaluated when a parameter of the expression changes.
target: This attribute specifies the XPath expression location where the result of evaluating the expression attribute MUST be stored.
The following W3C XML Schema ([XMLSCHEMA1] section 2.1) fragment specifies the contents of this element.
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<xsd:element name="calculatedField"> <xsd:complexType> <xsd:attribute name="target" type="xsd:string" use="required"/> <xsd:attribute name="expression" type="xsd:string" use="required"/> <xsd:attribute name="refresh" type="xsd:string" use="required"/> </xsd:complexType> </xsd:element>