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Finds duplicate items in the list.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
QuickList 10.5 Yes Yes Yes Yes Yes
MBS( "QuickList.FindDuplicateItems"; ListRef { ; ReturnNewList } )   More


Parameter Description Example Flags
ListRef The reference to the list returned from QuickList.New function. $List
ReturnNewList Pass 1 to return result as new QuickList.
This new list must be freed later using QuickList.Free function. Pass 0 (Default) to modify the list in the List1 parameter.
0 Optional


Returns list or error.


Finds duplicate items in the list.
Returns list with all duplicate items, but only counts each one once.
Similar to QuickList.RemoveDuplicateItems and see also List.FindDuplicateItems.

See also

Blog Entries

Release notes

  • Version 10.5
    • Added List.FindDuplicateItems and QuickList.FindDuplicateItems functions.

Created 28th September 2020, last changed 28th September 2020

QuickList.Deserialize   -   QuickList.FindEquals

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