:orphan:
# DMLabelGetValueIndex
Get the index of a given value in the list of values for the `DMlabel`, or -1 if it is not present 
## Synopsis
```
#include "petscdmlabel.h"   
#include "petscsection.h"   
PetscErrorCode DMLabelGetValueIndex(DMLabel label, PetscInt value, PetscInt *index)
```
Not Collective


## Input Parameters

- ***label -*** the `DMLabel`
- ***value -*** the value



## Output Parameter

- ***index -*** the index of value in the list of values





## See Also
 `DMLabel`, `DM`, `DMLabelGetValueIS()`, `DMLabelCreate()`, `DMLabelGetValue()`, `DMLabelSetValue()`, `DMLabelClearValue()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/label/dmlabel.c.html#DMLabelGetValueIndex">src/dm/label/dmlabel.c</A>


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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)