:orphan:
# DMLabelEphemeralSetLabel
Set the base label for this ephemeral label 
## Synopsis
```
#include "petscdmlabelephemeral.h"   
PetscErrorCode DMLabelEphemeralSetLabel(DMLabel label, DMLabel olabel)
```
Not Collective


## Input Parameters

- ***label -*** the `DMLabel`
- ***olabel -*** the base label for this ephemeral label





## Note
Ephemeral labels are produced automatically from a base label and a `DMPlexTransform`.


## See Also
 `DMLabelEphemeralGetLabel()`, `DMLabelEphemeralSetTransform()`, `DMLabelSetType()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/label/impls/ephemeral/dmlabeleph.c.html#DMLabelEphemeralSetLabel">src/dm/label/impls/ephemeral/dmlabeleph.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/label/impls/ephemeral/dmlabeleph.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)