# PetscObjectListDuplicate
Creates a new list from a given object list. 
## Synopsis
```
PetscErrorCode PetscObjectListDuplicate(PetscObjectList fl, PetscObjectList *nl)
```

## Input Parameters

- ***fl   -*** pointer to list



## Output Parameters

- ***nl -*** the new list (should point to 0 to start, otherwise appends)





## See Also
 `PetscObjectListDestroy()`, `PetscObjectListAdd()`, `PetscObjectListReverseFind()`, `PetscObjectListFind()`, `PetscObjectListDuplicate()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/objects/olist.c.html#PetscObjectListDuplicate">src/sys/objects/olist.c</A>


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