CNChangeHistoryFetchRequest
An object that specifies the criteria for fetching change history.
Declaration
class CNChangeHistoryFetchRequestOverview
The system always returns changes to contacts. The system coalesces changes to remove redundant adds, updates, and deletes.
Create and configure a fetch request, then call enumeratorForChangeHistoryFetchRequest:error: to process changes.
Topics
Configuring the fetch request
additionalContactKeyDescriptorsexcludedTransactionAuthorsincludeGroupChangesmutableObjectsshouldUnifyResultsstartingToken
Initializers
See Also
Change history data
CNChangeHistoryAddContactEventCNChangeHistoryAddGroupEventCNChangeHistoryAddMemberToGroupEventCNChangeHistoryAddSubgroupToGroupEventCNChangeHistoryDeleteContactEventCNChangeHistoryDeleteGroupEventCNChangeHistoryDropEverythingEventCNChangeHistoryEventCNChangeHistoryRemoveMemberFromGroupEventCNChangeHistoryRemoveSubgroupFromGroupEventCNChangeHistoryUpdateContactEventCNChangeHistoryUpdateGroupEventCNChangeHistoryEventVisitor