# DMLabelSetDefaultValue
Set the default value returned by DMLabelGetValue() if a point has not been explicitly given a value. When a label is created, it is initialized to -1. 
## Synopsis
```
#include "petscdmlabel.h"   
#include "petscsection.h"   
PetscErrorCode DMLabelSetDefaultValue(DMLabel label, PetscInt defaultValue)
```
Not collective


## Input parameter

- ***label -*** a DMLabel object



## Output parameter

- ***defaultValue -*** the default value





## See Also
 `DMLabelGetDefaultValue()`, `DMLabelGetValue()`, `DMLabelSetValue()`

## Level
beginner

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

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/label/tutorials/ex1.c.html">src/dm/label/tutorials/ex1.c.html</A><BR>


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