Namespace: http://schemas.microsoft.com/exchange/services/2006/types

The SearchableMailboxType complex type specifies the mailbox entity returned from the GetSearchableMailboxes operation specified in section

 <xs:complexType name="SearchableMailboxType" xmlns:xs="http://www.w3.org/2001/XMLSchema">
     <xs:element minOccurs="1" maxOccurs="1" name="Guid" type="t:GuidType"/>
     <xs:element minOccurs="1" maxOccurs="1" name="PrimarySmtpAddress" type="xs:string"/>
     <xs:element minOccurs="1" maxOccurs="1" name="IsExternalMailbox" type="xs:boolean"/>
     <xs:element minOccurs="1" maxOccurs="1" name="ExternalEmailAddress" type="xs:string"/>
     <xs:element minOccurs="1" maxOccurs="1" name="DisplayName" type="xs:string"/>
     <xs:element minOccurs="1" maxOccurs="1" name="IsMembershipGroup" type="xs:boolean"/>
     <xs:element minOccurs="1" maxOccurs="1" name="ReferenceId" type="xs:string"/>

Guid: An element of type GuidType, as defined in [MS-OXWSXPROP] section 2.1.7, that contains the GUID of the mailbox.

PrimarySmtpAddress: An element of type string, as defined in [XMLSCHEMA2] section 3.2.1, that represents the primary Simple Mail Transfer Protocol (SMTP) address of the mailbox.

IsExternalMailbox: An element of type boolean, as defined in [XMLSCHEMA2] section 3.2.2, that indicates whether the mailbox is an external mailbox.

ExternalEmailAddress: An element of type string that contains the external email address of the mailbox.

DisplayName: An element of type string that specifies the name of the mailbox.

IsMembershipGroup: An element of type boolean that indicates whether the entity is a mailbox or a distribution list. True indicates a distribution list; otherwise, false.

ReferenceId: An element of type string that contains the reference identifier for the mailbox.