:orphan:
# DMGetNumFields
Get the number of fields in the `DM`
## Synopsis
```
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMGetNumFields(DM dm, PetscInt *numFields)
```
Not Collective
## Input Parameter
- ***dm -*** The `DM`
## Output Parameter
- ***Nf -*** The number of fields
## See Also
[](ch_dmbase), `DM`, `DMSetNumFields()`, `DMSetField()`
## Level
intermediate
## Location
src/dm/interface/dm.c
## Examples
src/ts/tutorials/ex53.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)