:orphan:
# PetscSectionSetFieldName
Sets the name of a field in the `PetscSection`
## Synopsis
```
#include "petscsection.h"
PetscErrorCode PetscSectionSetFieldName(PetscSection s, PetscInt field, const char fieldName[])
```
Not Collective
## Input Parameters
- ***s -*** the `PetscSection`
- ***field -*** the field number
- ***fieldName -*** the field name
## Note
Will error if the field number is out of range
## See Also
[PetscSection](sec_petscsection), `PetscSectionGetFieldName()`, `PetscSectionSetNumFields()`, `PetscSectionGetNumFields()`
## Level
intermediate
## Location
src/vec/is/section/interface/section.c
## Examples
src/dm/impls/plex/tutorials/ex1.c
src/dm/impls/plex/tutorials/ex14.c
src/dm/impls/plex/tutorials/ex1f90.F90
src/ts/tutorials/ex11_sa.c
src/ts/tutorials/ex18.c
src/ts/tutorials/ex52.c
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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](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)