PETSc version 3.16.5
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# PetscObjectListAdd

Adds a new object to an PetscObjectList

### Synopsis

    PetscErrorCode  PetscObjectListAdd(PetscObjectList *fl,const char name[],PetscObject obj)

### Input Parameters

| fl | - the object list
| name | - the name to use for the object
| obj | - the object to attach

### Notes

Replaces item if it is already in list. Removes item if you pass in a NULL object.

Use PetscObjectListFind() or PetscObjectListReverseFind() to get the object back

### See Also

PetscObjectListDestroy(), PetscObjectListFind(), PetscObjectListDuplicate(), PetscObjectListReverseFind(), PetscObjectListDuplicate()

### Level

developer

### Location

src/sys/objects/olist.c
Index of all Sys routines
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