Values for the CustomPropertyNames parameter in Exchange Online PowerShell

The CustomPropertyNames parameter on the Get-CalendarDiagnosticObjects cmdlet returns the specified properties in the results.

The article describes the valid values for the CustomPropertyNames parameter.

CustomPropertyNames	Description
AddOnlineMeetingOnFinalize	Add online meeting on finalize flag.
AllAttachmentsHidden	Displays whether there are non-inline attachments inside a protected message.
AppointmentAuxiliaryFlags	Detect whether the meeting request is a forwarded meeting (for example, IsForwardedMeeting or AttendeeCount).
AppointmentClass	The MessageClass of the calendar that the meeting message is created from.
AppointmentCounterEndWhole	End time proposal.
AppointmentCounterProposalCount	Current counter proposal count.
AppointmentCounterProposal	Indicates whether a Meeting Response object is a counter proposal.
AppointmentCounterStartWhole	Start time proposal.
AppointmentLastSequenceNumber	If AppointmentSequenceNumber doesn't match, use AppointmentLastSequenceNumber to decide if this is a stale incoming request.
AppointmentProposedDuration	Proposed duration of the meeting in total minutes.
AppointmentRecurrenceBlob	Holds a copy of recurring information only from Recurring Masters.
AppointmentRecurring	Boolean value indicating whether an Appointment is recurring.
AppointmentReplyName	The calendar item appointment reply name.
AppointmentReplyTime	Gets the time when the attendee replied to the meeting request.
AppointmentSequenceNumber	Gets the sequence number of this appointment.
AppointmentSequenceTime	A sequence number that's incremented on every modification.
AppointmentStateInternal	The state of this appointment (for example, Meeting or Received).
AppointmentState	The state of this appointment (for example, Meeting or Received).
AttendeeCriticalChangeTime	The attendee's critical change time.
BirthdayContactAttributionDisplayName	Indicates the name of the contact that's associated with the birthday event.
BirthdayContactId	Represents the birthday contact ID property.
BirthdayPersonId	Represents the birthday person ID property that's used to associate multiple contact objects to a single, aggregate person.
Birthday	Birthday of the contact.
CalendarItemExperienceTypeInternal	Experience type for a calendar item. Used by the client to render custom user experiences for different types of calendar items.
CalendarItemType	The Calendar Item Type (for example, RecurringMaster).
CalendarLogTriggerAction	The action that's taken on the item (for example, Create or Update).
CalendarOriginatorId	Identification of the organizer to prevent unintentional takeover of a meeting by other users.
CalendarProcessed	Check if XSO has processed the meeting message.
CalendarProcessingSteps	A set of flags for the various steps that were completed in the stages of processing.
ChangeHighlight	Encapsulates information on the change highlights of a meeting request.
ChangeList	Add item to change list.
Charm	Charm on a calendar folder or item.
CleanGlobalObjectId	The GlobalObjectId with the Instance Date segment zeroed out. This property is the same for all meeting objects of all exceptions and masters belonging to the same series.
ClientBuildVersion	Outlook client build version.
ClientInfoString	The entity that made the change (for example, Client=OWA;<AdditionalDetails>, Client=WebServices;<AdditionalDetails>;, or Client=TBA;Service=MSExchangeMailboxAssistants;Action=ELCAssistant;).
ClientIntent	The intent of the client from any changes that are made to the item.
ClientProcessName	Client process name (for example, OUTLOOK.EXE).
ConferenceInfo	Used by legacy online meetings and by calling the UCWA APIs.
ConferenceTelURI	The conference telephone URI for online meeting.
ConferenceType	The type of conferencing that's used during the meeting.
ConnectedCalendarEventSourceData	Contains the data of a connected calendar event as received from the source.
CreationHash	A hash that identifies the original request to create an event.
CreationTime	Creation time of the item.
DisallowNewTimeProposal	Specifies whether recipients of the meeting request can propose a new time for the meeting.
DisplayAttendeesAll	List of all attendees.
DisplayAttendeesCc	Display the Attendees list in the Cc line.
DisplayAttendeesTo	Display the Attendees list in the To line.
DoNotForward	Organizer wants to prevent attendees from inviting others.
Duration	Duration in minutes.
EndTimeZoneId	Time zone of the end of the meeting.
EndTimeZone	Defines the EndTimeZone property.
EndTime	End time of a calendar item.
EndWallClock	The end time of the meeting expressed in the time zone of the meeting.
EnhancedLocation	Indicates that Enhanced Location data is present. Has value Microsoft.Exchange.Data.Storage.EnhancedLocation.
EntryId	The store entry ID or PR_ENTRYID (MAPI).
EstimatedAcceptCount	An estimated count of the number of attendees who accepted the meeting.
EstimatedAttendeeCount	An estimated count of the number of attendees of the meeting.
EstimatedDeclineCount	An estimated count of the number of attendees who declined the meeting.
EstimatedTentativeCount	An estimated count of the number of attendees who tentatively accepted the meeting.
EventClientId	Client-generated string representing the ID for a series of calendar events.
EventDraft	Indicates whether the calendar event is in the draft state.
EventResponseTrackingSource	Event response tracking status.
EventTimeBasedInboxRemindersState	Contains the state for time-based Inbox reminders pertaining to calendar events.
EventTimeBasedInboxReminders	Contains time-based Inbox reminders pertaining to calendar events.
ExceptionReplaceTime	The exception replace time.
ExceptionalAttendees	Boolean value indicating whether there are Exceptional Attendees.
ExceptionalBody	Boolean value indicating whether there are Exceptional Body is changed.
ExternalSharingMasterId	If a copy of a remote calendar in shared in the calendar, don't set the organizer, because the organizer isn't simply the owner of the current mailbox. It syncs back from master copy where it's properly evaluated when saved.
ForwardNotificationRecipients	List of Forwarded Recipients.
FreeBusyStatus	Free/busy status associated with the event.
From	From email address.
GlobalObjectId	A binary blob used to correlate the meeting requests/responses/cancellations in the Inbox with the meeting item in the Calendar.
HasAttachment	Indicates whether the item has attachments.
HasExceptionalInboxReminders	Whether a series has any exceptional Inbox reminders.
HijackedMeeting	Indicates whether the meeting request was hijacked. Useful to identify specific meetings that weren't processed because another user hijacked the meeting.
Importance	Importance status of the email (for example, Normal).
InboundICalStream	The contents of the iCalendar MIME part of the original MIME message.
InstanceCreationIndex	The index of this instance when the series was originally created.
IntendedFreeBusyStatus	The intended free/busy status of the meeting.
InternetMessageId	Internet Message ID of the e-mail message.
IsAllDayEvent	Indicates whether this appointment is an all day event.
IsBirthdayContactWritable	Indicates whether the contact that's associated with the birthday event is writable.
IsCancelled	Boolean value indicating whether the meeting is canceled.
IsCopyOnWriteItem	Indicator for Calendar Logging items.
IsDraft	Boolean value indicating whether the item is a draft. An item is a draft when it hasn't yet been sent.
IsEvent	Indicates if the meeting should be displayed in a banner for the event, not in the calendar grid area.
IsException	Indicates whether the calendar event is an exception in a recurring series.
IsHiddenFromLegacyClients	Decides whether the modern calendar item should be hidden for legacy clients.
IsMeetingPollEvent	Boolean value indicating whether the item is a meeting poll event.
IsMeeting	Boolean value indicating whether the calendar event is a meeting.
IsProcessed	Boolean value indicating whether the message was processed by XSO or by Outlook.
IsPublishedCalendarItem	Boolean value indicating whether a calendar event (schedule) has been published.
IsRecurring	Boolean value indicating whether the calendar event is recurring.
IsResponseRequested	Boolean value indicating whether responses are requested when invitations are sent for this meeting.
IsSeriesCancelled	Boolean value indicating whether the recurring master is canceled. Expected to be True for the attendee.
IsSilent	Boolean value indicating if the response doesn't contain message body text.
IsSingleBodyICal	Boolean value indicating that the original MIME message contained a single MIME part.
IsSoftDeleted	Boolean value indicating if the object is soft-deleted.
ItemClass	A text string that identifies the sender-defined message class (for example, IPM.Note).
ItemId	Object Store ItemId.
ItemVersion	Version of the item.
LastModifiedTime	The date/time that this item was last modified.
LocationAddressInternal	One of the properties that define the enhanced location and their corresponding default values.
Location	Gets the location of the calendar event.
MFNAddedRecipients	The list of recipients that were explicitly forwarded.
MailboxDatabaseName	The distinguished name (DN) of the mailbox database.
MapiEndTime	EndTime of Meeting.
MapiIsAllDayEvent	An all-day event is midnight to midnight.
MapiPREndDate	MapiPR(Pattern Recurrence) EndDate of Meeting.
MapiPRStartDate	MapiPR(Pattern Recurrence) StartDate of Meeting.
MapiStartTime	StartTime of Meeting.
MasterGlobalObjectId	The original GUID of the item if another process needs to change it.
MeetingRequestType	Defines the type of meeting request.
MeetingRequestWasSent	Indicates whether the meeting request has already been sent.
MeetingUniqueId	Unique meeting ID that's used to link meeting history to the master meeting item.
MeetingWorkspaceUrl	URL of the meeting workspace. A meeting workspace is a shared website for planning meetings and tracking results.
MiddleTierProcessName	ProcessName handling the request (for example, w3wp).
MiddleTierServerBuildVersion	EXO Build Version.
MiddleTierServerName	Backend Mailbox ServerName.
NormalizedSubject	Subject of the meeting.
OccurrencesExceptionalViewProperties	Blob representing the exceptional properties of instances of an NPR.
OldLocation	Saved old location before updating the new location.
OldStartWhole	Old time properties on the updated meeting request.
OnlineMeetingConfLink	The online meeting link.
OnlineMeetingExternalLink	The online meeting external link.
OnlineMeetingInformation	The online meeting information.
OnlineMeetingInternalLink	The HTTPS URI for joining the Lync online meeting. Deprecated.
OriginalClientInfoString	Some processes are touching the ClientInfoString, so we need to back up the original value for Calendar Logging items.
OriginalCreationTime	Creation time of the item.
OriginalEntryId	Original PR_ENTRYID (MAPI), unique ID identifier in store.
OriginalFolderId	Original PR_FOLDERID (MAPI), unique ID identifier in store.
OriginalGlobalObjectId	The original GUID of the item in case we have to change it.
OriginalICal	The original iCal of an imported item.
OriginalLastModifiedTime	Used as the primary sort field to order the events.
OriginalMeetingType	Retains the original MeetingType in case the original meeting type is reset.
OriginalStoreEntryId	Maintains a copy of the store entry ID if the original gets modified.
OwnerAppointmentID	A number that's unique to the sender's calendar. Outlook uses this number to correlate meeting messages with calendar items.
OwnerCriticalChangeTime	DateTime tracking value for Owner Critical Change Time.
ParentDisplayName	ParentDisplayName of the Folder.
ParkedCorrelationId	The correlation ID of parked message.
ParkedMessagesFolderEntryId	The entry ID of the ParkedMessages folder.
Preview	Preview of the email message.
PropertyChangeMetadataProcessingFlags	Flags representing property change metadata processing behavior.
PropertyChangeMetadataRaw	Blob representing property change metadata for Series exception management purposes.
PublishedCalendarItemUrl	The URL of a published calendar event (schedule).
RawAttendeeInformation	Raw attendee information provided by a client. Used to help troubleshoot and debug attendee translation issues.
ReceivedBy	The ReceivedBy property of the email message.
ReceivedRepresenting	Returns the received on behalf display name for delegate meeting message own meeting.
RecipientType	The recipient type of a recipient on the message.
RecurrencePattern	A date for which this pattern should be created.
ReminderIsSetInternal	Boolean value indicating whether the reminder is set internally.
ReminderMinutesBeforeStartInternal	Reminder in minutes before the meeting starts.
ResponseState	Values are Accepted, Tentative, or Declined.
ResponseType	Gets the type of response the attendee gave to the meeting invitation it received.
ResponsibleUserName	The LegacyExchangeDN value of the user who made the change (for example, /o=ExchangeLabs/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=BN6PR11MB1587/cn=Microsoft System Attendant or /o=ExchangeLabs/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=696eea97d3c449eab648920d03385efb-admin).
SenderEmailAddress	SMTP address of who sent it.
Sensitivity	The sensitivity of an item.
SentRepresentingDisplayName	The display name of the sent representing person.
SentRepresentingEmailAddress	Represents sent representing email address.
SentRepresentingEntryId	The entry ID of the sent representing person.
SentRepresentingType	The address type of the sent representing person.
SeriesId	Representing ID for series of calendar events.
SeriesReminderIsSet	Flag indicating whether a reminder is set for the whole series.
Size	Size in bytes of the Meeting Message.
SkypeTeamsMeetingUrl	The meeting URL for a Teams meeting.
SkypeTeamsProperties	The relevant properties for a Teams meeting.
StartTimeZoneId	Time zone of the start of the meeting.
StartTimeZone	Start timezone of a calendar item.
StartTime	Start time of a calendar item.
StartWallClock	The start time of the meeting expressed in the time zone of the meeting.
SuggestionCategory	The suggestion category for the message.
TimeZoneBlob	Outlook time zone blob (from the registry) for recurrence.
TimeZoneDefinitionEnd	Legacy time zone (ExchangeTimeZoneTime) blob for end time.
TimeZoneDefinitionRecurring	Legacy time zone (ExchangeTimeZoneTime) blob for recurrence.
TimeZoneDefinitionStart	Legacy time zone (ExchangeTimeZoneTime) blob for start time.
TimeZone	TimeZone value.
TransportMessageHeaders	Transport Message Header Information.
UCCapabilities	The XML blob of OCS capabilities for the Lync online meeting.
UCInband	The XML blob of Inband data for the Lync online meeting.
UCMeetingSettingSent	The XML blob of all information related to the Lync online meeting.
UCMeetingSetting	The XML blob of all information related to the Lync online meeting.
UCOpenedConferenceID	RThe guid associated with this online meeting.
UnsendableRecipients	Recipient data for all unsendable recipients.
ViewEndTime	End time of a calendar item.
ViewStartTime	Start time of a calendar item.
When	Localized text using the Exchange Server culture or the culture specified in the PreferredCulture property of the ExchangeService object that this appointment is bound to.