SearchConvRequest

    <SearchConvRequest cid="{conversation-id}" [nest="{nest-messages-inside-conv} (0|1)"]
                          [includeTagDeleted="{include-items-tagged-for-delete} (0|1)"]
                          [includeTagMuted="{include-items-tagged-for-delete} (0|1)"]
                          [calExpandInstStart="{cal-item-expand-start-time-in-msec} (Long)"]
                          [calExpandInstEnd="{cal-item-expand-end-time-in-msec} (Long)"] [inDumpster="(0|1)"]
                          [types="{comma-sep-search-types}"] [groupBy="{deprecated-group-by}"] [quick="(0|1)"]
                          [sortBy="{sort-by}"] [fetch="..."] [read="{mark-as-read} (0|1)"]
                          [max="{max-inlined-length} (Integer)"] [html="{want-html} (0|1)"]
                          [needExp="{need-can-expand} (0|1)"] [neuter="{neuter-images} (0|1)"]
                          [recip="{want-recipients} (0 | 1 | 2 | false | true)"] [prefetch="(0|1)"]
                          [resultMode="{result-mode}"] [fullConversation="{full-conversation} (0|1)"]
                          [field="{default-field}"] [limit="(Integer)"] [offset="(Integer)"]
                          [wantContent="{want-content} (full | original | both)"] [memberOf="{include-member-of} (0|1)"]> ## SearchConvRequest
        <query>{query} (String)</query>
        (<header n="{attribute-name}" /> ## AttributeName)*
        <tz id="{timezone-id}" stdoff="{timezone-std-offset} (Integer)" dayoff="{timezone-daylight-offset} (Integer)"
                [stdname="..."] [dayname="..."]> ## CalTZInfo
            <standard [week="{tzonset-week} (Integer)"] [wkday="{tzonset-day-of-week} (Integer)"]
                          mon="{tzonset-month} (Integer)" [mday="{tzonset-day-of-month} (Integer)"]
                          hour="{tzonset-hour} (Integer)" min="{tzonset-minute} (Integer)" sec="{tzonset-second} (Integer)" /> ## TzOnsetInfo
            <daylight ... /> ## See /tz/standard [ ## TzOnsetInfo]
         </tz>
        <locale>{locale} (String)</locale>
        <cursor [id="{cursor-prev-id}"] [sortVal="{cursor-sort-value}"] [endSortVal="{cursor-end-sort-value}"]
                    [includeOffset="{cursor-include-offset} (0|1)"] /> ## CursorInfo
    </SearchConvRequest>

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

SearchConvResponse

    <SearchConvResponse [sortBy="{sort-by}"] [offset="{offset} (Integer)"] [more="{more-flag} (0|1)"]> ## SearchConvResponse
        <c [id="{conv-id}"] [n="{num-msgs} (Integer)"] [total="{all-msgs} (Integer)"] [f="{conversation-flags}"]
               [t="{tags}"] [tn="{tag-names}"]> ## NestedSearchConversation
            (<m [sf="{sort-field-value}"] [cm="{message-matched-query} (0|1)"] [id="{msg-id}"]
                    [i4uid="{imap-uid} (Integer)"] [cif="{X-Zimbra-Calendar-Intended-For}"] [origid="{orig-id}"]
                    [rt="{reply-type}"] [idnt="{identity-id}"] [forAcct="{draft-acct-id}"]
                    [autoSendTime="{auto-send-time} (Long)"] [sd="{date-header} (Long)"] [rd="{resent-date} (Long)"]
                    [part="{part}"] [s="{msg-size} (Long)"] [d="{msg-date} (Long)"] [l="{folder-id}"]
                    [cid="{conversation-id}"] [f="{msg-flags}"] [t="{msg-tags}"] [tn="{msg-tag-names}"]
                    [rev="{revision} (Integer)"] [md="{msg-date-metadata-changed} (Long)"]
                    [ms="{change-sequence} (Integer)"]> ## MessageHitInfo
                (<signature valid="{valid} (boolean)" message="{message}"
                                messageCode="{messageCode VALID, INVALID, UNTRUSTED, SIGNER_CERT_EXPIRED, SIGNER_CERT_NOT_FOUND, ISSUER_CERT_NOT_FOUND, ERROR}"
                                type="{type S/MIME, PGP}" email="{email}" notBefore="{notBefore} (Long)"
                                notAfter="{notBefore} (Long)" issuer="{issuer}" trusted="{trusted} (boolean)" /> ## MailSignature)*
                (<hp part="{part}" /> ## Part)*
                <fr>{fragment} (String)</fr>
                (<e [a="{email-address}"] [d="{display-name}"] [p="{personal name}"] [t="{address-type}"]
                        [isGroup="{email-addr-is-group} (0|1)"] [exp="{can-expand-group-members} (0|1)"] /> ## EmailInfo)*
                <su>{subject} (String)</su>
                <mid>{messageIdHeader} (String)</mid>
                <irt>{inReplyTo} (String)</irt>
                <inv type="{appt-or-task}"> ## InviteInfo
                    (<tz id="{timezone-id}" stdoff="{timezone-std-offset} (Integer)"
                             dayoff="{timezone-daylight-offset} (Integer)" [stdname="..."] [dayname="..."]> ## CalTZInfo
                        <standard [week="{tzonset-week} (Integer)"] [wkday="{tzonset-day-of-week} (Integer)"]
                                      mon="{tzonset-month} (Integer)" [mday="{tzonset-day-of-month} (Integer)"]
                                      hour="{tzonset-hour} (Integer)" min="{tzonset-minute} (Integer)"
                                      sec="{tzonset-second} (Integer)" /> ## TzOnsetInfo
                        <daylight ... /> ## See /c/m/inv/tz/standard [ ## TzOnsetInfo]
                      </tz>)*
                    <comp [method="{invite-comp-method}"] [compNum="{invite-comp-num} (Integer)"] [rsvp="{rsvp} (0|1)"]
                              [priority="{invite-comp-priority-0-9}"] [name="{invite-comp-name}"]
                              [loc="{invite-comp-location}"] [noBlob="{no-blob-data} (0|1)"] [fba="{freebusy-actual}"]
                              [fb="{freebusy-status}"] [transp="{transparency}"] [isOrg="{is-organizer} (0|1)"]
                              [x_uid="{x-uid}"] [uid="{uid-for-create}"] [seq="{sequence-num} (Integer)"]
                              [d="{invite-comp-date} (Long)"] [calItemId="{mail-item-id-of-appointment}"]
                              [apptId="{deprecated-appt-id}"] [ciFolder="{cal-item-folder}"] [status="{invite-comp-status}"]
                              [class="{invite-comp-class}"] [url="{invite-comp-url}"] [ex="{is-exception} (0|1)"]
                              [ridZ="{utc-recurrence-id}"] [allDay="{is-all-day} (0|1)"] [draft="{is-draft} (0|1)"]
                              [neverSent="{attendees-never-notified} (0|1)"] [changes="{comma-sep-changed-data}"]> ## InviteComponent
                        (<category>{categories} (String)</category>)*
                        (<comment>{comments} (String)</comment>)*
                        (<contact>{contacts} (String)</contact>)*
                        <geo [lat="{longitude}"] [lon="{longitude}"] /> ## GeoInfo
                        (<at [a="{email-address}"] [url="{url}"] [d="{friendly-name}"] [sentBy="{sent-by}"] [dir="{dir}"]
                                 [lang="{language}"] [cutype="{calendar-user-type}"] [role="{role}"]
                                 [ptst="{participation-status}"] [rsvp="{rsvp} (0|1)"] [member="{member}"]
                                 [delTo="{delegated-to}"] [delFrom="{delegated-from}"]> ## CalendarAttendee
                            (<xparam name="{xparam-name}" value="{xparam-value}" /> ## XParam)*
                          </at>)*
                        (<alarm action="{alarm-action}"> ## AlarmInfo
                            <trigger> ## AlarmTriggerInfo
                                <abs d="{YYYYMMDDThhmmssZ}" /> ## DateAttr
                                <rel [neg="{duration-negative} (0|1)"] [w="{duration-weeks} (Integer)"]
                                         [d="{duration-days} (Integer)"] [h="{duration-hours} (Integer)"]
                                         [m="{duration-minutes} (Integer)"] [s="{duration-seconds} (Integer)"]
                                         [related="{alarm-related}"] [count="{alarm-repeat-count} (Integer)"] /> ## DurationInfo
                             </trigger>
                            <repeat ... /> ## See /c/m/inv/comp/alarm/trigger/rel [ ## DurationInfo]
                            <desc>{description} (String)</desc>
                            <attach [uri="{alarm-attach-uri}"] [ct="{alarm-attach-content-type}"]>{binaryB64Data}</attach> ## CalendarAttach
                            <summary>{summary} (String)</summary>
                            (<at ... > ... </at> ## See /c/m/inv/comp/at [ ## CalendarAttendee])*
                            (<xprop name="{xprop-name}" value="{xprop-value}"> ## XProp
                                (<xparam name="{xparam-name}" value="{xparam-value}" /> ## See /c/m/inv/comp/at/xparam [ ## XParam])*
                              </xprop>)*
                          </alarm>)*
                        (<xprop name="{xprop-name}" value="{xprop-value}"> ... </xprop> ## See /c/m/inv/comp/alarm/xprop [ ## XProp])*
                        <fr>{fragment} (String)</fr>
                        <desc>{description} (String)</desc>
                        <descHtml>{htmlDescription} (String)</descHtml>
                        <or [a="{email-address}"] [url="{url}"] [d="{friendly-name}"] [sentBy="{sent-by}"] [dir="{dir}"]
                                [lang="{language}"]> ## CalOrganizer
                            (<xparam name="{xparam-name}" value="{xparam-value}" /> ## See /c/m/inv/comp/at/xparam [ ## XParam])*
                         </or>
                        <recur> ## RecurrenceInfo
                            List of any of: {
                                <add> ## AddRecurrenceInfo
                                    List of any of: {
                                        <add> ... </add> ## See /c/m/inv/comp/recur/add [ ## AddRecurrenceInfo] # [inside itself]
                                        <exclude> ## ExcludeRecurrenceInfo
                                            List of any of: {
                                                <add> ... </add> ## See /c/m/inv/comp/recur/add [ ## AddRecurrenceInfo] # [inside itself]
                                                <exclude> ... </exclude> ## See /c/m/inv/comp/recur/add/exclude [ ## ExcludeRecurrenceInfo] # [inside itself]
                                                <except rangeType="{range-type} (int)" recurId="{YYMMDD[THHMMSS[Z]]}"
                                                            [tz="{timezone-name}"] [ridZ="{YYMMDDTHHMMSSZ}"]> ## ExceptionRuleInfo
                                                    <add> ... </add> ## See /c/m/inv/comp/recur [ ## RecurrenceInfo] # [inside itself]
                                                    <exclude> ... </exclude> ## See /c/m/inv/comp/recur [ ## RecurrenceInfo] # [inside itself]
                                                 </except>
                                                <cancel rangeType="{range-type} (int)" recurId="{YYMMDD[THHMMSS[Z]]}"
                                                            [tz="{timezone-name}"] [ridZ="{YYMMDDTHHMMSSZ}"] /> ## CancelRuleInfo
                                                <dates [tz="{TZID}"]> ## SingleDates
                                                    (<dtval> ## DtVal
                                                        <s [d="{YYYYMMDD['T'HHMMSS[Z]]}"] [tz="{timezone-identifier}"]
                                                               [u="{utc-time} (Long)"] /> ## DtTimeInfo
                                                        <e ... /> ## See /c/m/inv/comp/recur/add/exclude/dates/dtval/s [ ## DtTimeInfo]
                                                        <dur ... /> ## See /c/m/inv/comp/alarm/trigger/rel [ ## DurationInfo]
                                                      </dtval>)*
                                                 </dates>
                                                <rule freq="{freq}"> ## SimpleRepeatingRule
                                                    <until d="{YYYYMMDD[ThhmmssZ]}" /> ## DateTimeStringAttr
                                                    <count num="{num} (int)" /> ## NumAttr
                                                    <interval ival="{rule-interval} (int)" /> ## IntervalRule
                                                    <bysecond seclist="{second-list}" /> ## BySecondRule
                                                    <byminute minlist="{minute-list}" /> ## ByMinuteRule
                                                    <byhour hrlist="{hour-list}" /> ## ByHourRule
                                                    <byday> ## ByDayRule
                                                        (<wkday day="{weekday}"
                                                                    [ordwk="{ord-wk-[[+]|-]num} (Integer)"] /> ## WkDay)*
                                                     </byday>
                                                    <bymonthday modaylist="{modaylist}" /> ## ByMonthDayRule
                                                    <byyearday yrdaylist="{byyearday-yrdaylist}" /> ## ByYearDayRule
                                                    <byweekno wklist="{byweekno-wklist}" /> ## ByWeekNoRule
                                                    <bymonth molist="{month-list}" /> ## ByMonthRule
                                                    <bysetpos poslist="{bysetpos-list}" /> ## BySetPosRule
                                                    <wkst day="{weekday}" /> ## WkstRule
                                                    (<rule-x-name [name="{xname-name}"] [value="{xname-value}"] /> ## XNameRule)*
                                                 </rule>
                                            }
                                         </exclude>
                                        <except ... > ... </except> ## See /c/m/inv/comp/recur/add/exclude/except [ ## ExceptionRuleInfo]
                                        <cancel ... /> ## See /c/m/inv/comp/recur/add/exclude/cancel [ ## CancelRuleInfo]
                                        <dates [tz="{TZID}"]> ... </dates> ## See /c/m/inv/comp/recur/add/exclude/dates [ ## SingleDates]
                                        <rule freq="{freq}"> ... </rule> ## See /c/m/inv/comp/recur/add/exclude/rule [ ## SimpleRepeatingRule]
                                    }
                                 </add>
                                <exclude> ... </exclude> ## See /c/m/inv/comp/recur/add/exclude [ ## ExcludeRecurrenceInfo]
                                <except ... > ... </except> ## See /c/m/inv/comp/recur/add/exclude/except [ ## ExceptionRuleInfo]
                                <cancel ... /> ## See /c/m/inv/comp/recur/add/exclude/cancel [ ## CancelRuleInfo]
                                <dates [tz="{TZID}"]> ... </dates> ## See /c/m/inv/comp/recur/add/exclude/dates [ ## SingleDates]
                                <rule freq="{freq}"> ... </rule> ## See /c/m/inv/comp/recur/add/exclude/rule [ ## SimpleRepeatingRule]
                            }
                         </recur>
                        <exceptId d="{DATETIME-YYYYMMDD['T'HHMMSS[Z]]}" [tz="{timezone-identifier}"]
                                      [rangeType="{range-type} (Integer)"] /> ## ExceptionRecurIdInfo
                        <s ... /> ## See /c/m/inv/comp/recur/add/exclude/dates/dtval/s [ ## DtTimeInfo]
                        <e ... /> ## See /c/m/inv/comp/recur/add/exclude/dates/dtval/s [ ## DtTimeInfo]
                        <dur ... /> ## See /c/m/inv/comp/alarm/trigger/rel [ ## DurationInfo]
                     </comp>
                    <replies>
                        (<reply seq="{sequence-num} (int)" d="{dtstamp} (long)" at="{attendee}" [sentBy="{sent-by}"]
                                    [ptst="{participation-status}"] rangeType="{range-type} (int)"
                                    recurId="{YYMMDD[THHMMSS[Z]]}" [tz="{timezone-name}"] [ridZ="{YYMMDDTHHMMSSZ}"] /> ## CalendarReply)*
                    </replies>
                 </inv>
                (<header n="{key}">{value}</header> ## KeyValuePair)*
                List of any of: {
                    <mp part="{mime-part-name}" ct="{content-type}" [s="{size-in-bytes} (Integer)"]
                            [cd="{content-disp}"] [filename="{filename}"] [ci="{content-id}"] [cl="{content-location}"]
                            [body="{is-body} (0|1)"] [truncated="{truncated-content} (0|1)"]
                            requiresSmartLinkConversion="(Boolean)"> ## PartInfo
                        <content>{content} (String)</content>
                        (<mp> ... </mp> ## See /c/m/mp [ ## PartInfo] # [inside itself])*
                     </mp>
                    <shr [truncated="{truncated-flag} (0|1)"]> ## ShareNotification
                        <content>{content} (String)</content>
                     </shr>
                    <dlSubs [truncated="{truncated-flag} (0|1)"]> ## DLSubscriptionNotification
                        <content>{content} (String)</content>
                     </dlSubs>
                }
                (<meta [section="{section}"]> ## MailCustomMetadata
                    (<a n="{key}">{value}</a> ## See /c/m/header [ ## KeyValuePair])*
                  </meta>)*
              </m>)*
            <info>
                List of any of: {
                    <suggest>{suggestedQueryString}</suggest> ## SuggestedQueryString
                    <wildcard str="{wildcard-str}" expanded="{wildcard-expanded} (0|1)"
                                  numExpanded="{wildcard-num-expanded} (int)" /> ## WildcardExpansionQueryInfo
                }
            </info>
         </c>
        (<m ... > ... </m> ## See /c/m [ ## MessageHitInfo])*
        <info>
            List of any of: {
                <suggest>{suggestedQueryString}</suggest> ## See /c/info/suggest [ ## SuggestedQueryString]
                <wildcard ... /> ## See /c/info/wildcard [ ## WildcardExpansionQueryInfo]
            }
        </info>
    </SearchConvResponse>

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

     X-FOO-HELLO;X-FOO-WORLD=world:hello
 

     <xprop name="X-FOO-HELLO" value="hello">
         <xparam name="X-FOO-WORLD" value="world"/>
     </xprop>
 

     YYYY - 4 digit year
     MM   - 2 digit month
     DD   - 2 digit day
 Optionally:
     'T' the literal char "T" then
     HH - 2 digit hour (00-23)
     MM - 2 digit minute (00-59)
     SS - 2 digit second (00-59)
     ...and finally an optional "Z" meaning that the time is UTC,
     otherwise the tz="TIMEZONE" param MUST be specified with the DATETIME
     e.g:
         20050612  June 12, 2005
         20050315T18302305Z  March 15, 2005 6:30:23.05 PM UTC
 

     YYYY - 4 digit year
     MM   - 2 digit month
     DD   - 2 digit day
 Optionally:
     'T' the literal char "T" then 
     HH - 2 digit hour (00-23)
     MM - 2 digit minute (00-59)
     SS - 2 digit second (00-59)
     ...and finally an optional "Z" meaning that the time is UTC,
     otherwise the tz="TIMEZONE" param MUST be specified with the DATETIME
     e.g:
         20050612  June 12, 2005
         20050315T18302305Z  March 15, 2005 6:30:23.05 PM UTC