# PetscSectionSetPermutation
Sets the permutation for [0, pEnd-pStart) 
## Synopsis
```
#include "petscsection.h"   
PetscErrorCode PetscSectionSetPermutation(PetscSection s, IS perm)
```
Not Collective


## Input Parameters

- ***s -*** the PetscSection
- ***perm -*** the permutation of points





## Developer Note
What purpose does this permutation serve?


## See Also
 [](sec_scatter), `IS`, `PetscSection`, `PetscSectionGetPermutation()`, `PetscSectionCreate()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/section/interface/section.c.html#PetscSectionSetPermutation">src/vec/is/section/interface/section.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/vec/is/section/interface/section.c)


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