# DMPlexTransformExtrudeSetSymmetric
Set the flag to extrude symmetrically from the initial surface 
## Synopsis
```
#include "petscdmplextransform.h" 
PetscErrorCode DMPlexTransformExtrudeSetSymmetric(DMPlexTransform tr, PetscBool symmetric)
```
Not collective


## Input Parameters

- ***tr  -*** The DMPlexTransform
- ***symmetric -*** The flag to extrude symmetrically





## See Also
 `DMPlexTransformExtrudeGetSymmetric()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/transform/impls/extrudeplextrextrude.c.html#DMPlexTransformExtrudeSetSymmetric">src/dm/impls/plex/transform/impls/extrudeplextrextrude.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/plex/transform/impls/extrudeplextrextrude.c)


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