SearchExpression

The SearchExpression element is an abstract element that represents the substituted element within a restriction. All search expressions derive from this base type. This element is not used in an XML instance document.

<SearchExpression/>

SearchExpressionType

Attributes and elements

The following sections describe attributes, child elements, and parent elements.

Attributes

None.

Child elements

None.

Parent elements

Element	Description
Restriction	Represents the restriction or query that is used to filter items or folders in FindItem/FindFolder and search folder operations.
Not	Represents a search expression that negates the Boolean value of the search expression that it contains.
And	Represents a search expression that allows you to perform a Boolean AND operation between two or more search expressions. The result of the AND operation is true if all the search expressions contained within the And element are true.
Or	Represents a search expression that performs a logical OR operation on the search expression that it contains. Or will return true if any of its children return true. Or must have two or more children.

Remarks

Any filter element that is part of the SearchExpression substitution group can appear in place of the SearchExpression element.

Note

This element will never occur directly within an instance document.

The following elements are members of the SearchExpression substitution group:

• Exists

• Excludes

• IsEqualTo

• IsNotEqualTo

• IsGreaterThan

• IsGreaterThanOrEqualTo

• IsLessThan

• IsLessThanOrEqualTo

• Contains

• Not

• And

• Or

The schema that describes this element is located in the EWS virtual directory of the computer that is running Microsoft Exchange Server 2007 that has the Client Access server role installed.

Element information

Element	Example
Namespace	http://schemas.microsoft.com/exchange/services/2006/types
Schema Name	Types schema
Validation File	Types.xsd
Can be Empty	False

See also

• EWS XML elements in Exchange