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# DMPlexLabelsLoad
Loads labels into a `DMPLEX` 
## Synopsis
```
#include "petscdmplex.h"   
PetscErrorCode DMPlexLabelsLoad(DM dm, PetscViewer viewer, PetscSF globalToLocalPointSF)
```
Collective


## Input Parameters

- ***dm     -*** The `DM` into which the labels are loaded
- ***viewer -*** The `PetscViewer` for the saved labels
- ***globalToLocalPointSF -*** The `PetscSF` returned by `DMPlexTopologyLoad()` when loading `dm` from viewer





## Note
The `PetscSF` argument must not be NULL if the `DM` is distributed, otherwise an error occurs.


## See Also
 [](ch_unstructured), `DM`, `DMPLEX`, `DMLoad()`, `DMPlexTopologyLoad()`, `DMPlexCoordinatesLoad()`, `DMView()`, `PetscViewerHDF5Open()`, `PetscViewerPushFormat()`,
`PetscSF`, `PetscViewer`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/plex.c.html#DMPlexLabelsLoad">src/dm/impls/plex/plex.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/plex/plex.c)


[Index of all DMPlex routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)