<GetContactsResponse xmlns="urn:zimbraMail">
   <cn id="680" fileAsStr="group1" d="1308612784000" rev="900" l="7">
     <a n="nickname">group one</a>
     <a n="type">group</a>
     <a n="fileAs">8:group1</a>
     <m value="user@zimbra.com" type="I"/>
     <m value="282" type="C">
       <cn id="282" fileAsStr="Smith, John" d="1308547353000" rev="27" l="7">
         <a n="lastName">Smith</a>
         <a n="email">jsmith@example.zimbra.com</a>
         <a n="workURL">http://www.example.zimbra.com</a>
         <a n="company">Zimbra</a>
         <a n="workCountry">US</a>
         <a n="workState">CA</a>
         <a n="workPhone">(408) 123-4567</a>
         <a n="firstName">Mark</a>
       </cn>
     </m>
     <m value="uid=user1,ou=people,dc=phoebe,dc=mbp" type="G">
       <cn id="2a692f57-1a5b-4542-9f8e-28dfdd0e3f43:260" fileAsStr="Demo User One" d="1308626790000" rev="22" l="257">
         <a n="createTimeStamp">20110620052132Z</a>
         <a n="lastName">user1</a>
         <a n="email">user1@phoebe.mbp</a>
         <a n="zimbraId">b4bf7953-c10f-449e-b7fe-3df48eea36f8</a>
         <a n="objectClass">inetOrgPerson</a>
         <a n="objectClass">zimbraAccount</a>
         <a n="objectClass">amavisAccount</a>
         <a n="fullName">Demo User One</a>
         <a n="dn">uid=user1,ou=people,dc=phoebe,dc=mbp</a>
         <a n="workPhone">+1 650 555 1111</a>
         <a n="modifyTimeStamp">20110620052229Z</a>
         <a n="fileAs">8:Demo User One</a>
       </cn>
     </m>
   </cn>
 </GetContactsResponse>
 

GetContactsRequest

    <GetContactsRequest [sync="{return-mod-date-flag} (0|1)"] [l="{folder-id}"] [sortBy="{sort-by}"]
                           [derefGroupMember="{deref-group-member} (0|1)"] [memberOf="{include-member-of} (0|1)"]
                           [returnHiddenAttrs="{return-hidden-attrs} (0|1)"]
                           [returnCertInfo="{return-certificate-info} (0|1)"] [wantImapUid="{want-imap-uid} (0|1)"]
                           [maxMembers="{max-members} (Long)"]> ## GetContactsRequest
        (<a n="{attribute-name}" /> ## AttributeName)*
        (<ma n="{attribute-name}" /> ## See /a [ ## AttributeName])*
        (<cn [id="..."] /> ## Id)*
    </GetContactsRequest>

elements and attributes you can define within a <GetContactsRequest> element:

GetContactsResponse

    <GetContactsResponse> ## GetContactsResponse
        (<cn [sf="{contact-sort-field}"] [exp="{can-expand} (0|1)"] id="{contact-id}" [i4uid="{imap-uid} (Integer)"]
                 [l="{contact-folder-id}"] [f="{contact-flags}"] [t="{contact-tags}"] [tn="{contact-tag-names}"]
                 [md="{contact-modified-date-secs} (Long)"] [ms="{contact-modified-seq} (Integer)"]
                 [d="{contact-date-millis} (Long)"] [rev="{saved-sequence-number} (Integer)"]
                 [fileAsStr="{contact-file-as}"] [email="{contact-email}"] [email2="{contact-email2}"]
                 [email3="{contact-email3}"] [type="{contact-type}"] [dlist="{contact-dlist}"]
                 [ref="{contact-gal-entry-ref}"] [tooManyMembers="{contact-too-many-members} (0|1)"]> ## ContactInfo
            (<meta [section="{section}"]> ## MailCustomMetadata
                (<a n="{key}">{value}</a> ## KeyValuePair)*
              </meta>)*
            (<a [part="{contact-part-id}"] [ct="{contact-content-type}"] [s="{contact-size} (Integer)"]
                    [filename="{contact-content-filename}"] n="{key}" /> ## ContactAttr)*
            (<m type="{member-type}" value="{member-value}"> ## ContactGroupMember
                <cn> ... </cn> ## See /cn [ ## ContactInfo] # [inside itself]
              </m>)*
            <memberOf>{memberOf} (String)</memberOf>
          </cn>)*
    </GetContactsResponse>

elements and attributes you can define within a <GetContactsResponse> element: