:orphan:
# DMLabelGetStratumSize
Get the size of a stratum
## Synopsis
```
#include "petscdmlabel.h"
#include "petscsection.h"
PetscErrorCode DMLabelGetStratumSize(DMLabel label, PetscInt value, PetscInt *size)
```
Not Collective
## Input Parameters
- ***label -*** the `DMLabel`
- ***value -*** the stratum value
## Output Parameter
- ***size -*** The number of points in the stratum
## See Also
`DMLabel`, `DM`, `DMLabelCreate()`, `DMLabelGetValue()`, `DMLabelSetValue()`, `DMLabelClearValue()`
## Level
intermediate
## Location
src/dm/label/dmlabel.c
## Examples
src/tao/tutorials/ex3.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/label/dmlabel.c)
[Index of all DMLabel routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)