# 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
 `DMSetNumFields()`, `DMSetField()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/interface/dm.c.html#DMGetNumFields">src/dm/interface/dm.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex53.c.html">src/ts/tutorials/ex53.c.html</A><BR>


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