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2.51.5 Expression.Function

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The Expression.Function element specifies a function node in a query expression tree.

The Expression.Function element is optional. This element is of type Function. If the Expression.Function element is not present, its value is interpreted as NULL. Exactly one of the following elements, Expression.AttributeRef, Expression.EntityRef, Expression.Function, Expression.Literal, Expression.Null, or Expression.ParameterRef MUST be specified as a child of the parent Expression element.

The following is the parent element of the Expression.Function element.

Parent elements

Expression

The following is the XML Schema definition of the Expression.Function element.           

 <xsd:element name="Function" type="FunctionType" minOccurs="0" />