:orphan:
# VecGetDM
Gets the `DM` defining the data layout of the vector
## Synopsis
```
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode VecGetDM(Vec v, DM *dm)
```
Not Collective
## Input Parameter
- ***v -*** The `Vec`
## Output Parameter
- ***dm -*** The `DM`
## Note
A `Vec` may not have a `DM` associated with it.
## See Also
[](ch_dmbase), `DM`, `VecSetDM()`, `DMGetLocalVector()`, `DMGetGlobalVector()`, `DMSetVecType()`
## Level
intermediate
## Location
src/dm/interface/dm.c
## Examples
src/ksp/ksp/tutorials/ex43.c
src/snes/tutorials/ex22.c
src/snes/tutorials/ex36.c
src/snes/tutorials/ex7.c
src/ts/tutorials/ex11.c
src/ts/tutorials/ex11_sa.c
src/ts/tutorials/ex18.c
src/ts/tutorials/ex48.c
src/ts/tutorials/ex52.c
src/ts/utils/dmplexlandau/tutorials/ex2.c
---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/interface/dm.c)
[Index of all DM routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)