# PetscSectionSetComponentName
Sets the name of a field component in the `PetscSection` 
## Synopsis
```
#include "petscsection.h"   
PetscErrorCode PetscSectionSetComponentName(PetscSection s, PetscInt field, PetscInt comp, const char compName[])
```
Not Collective


## Input Parameters

- ***s     -*** the PetscSection
- ***field -*** the field number
- ***comp  -*** the component number
- ***compName -*** the component name





## Note
Will error if the field or component number do not exist


## See Also
 [PetscSection](sec_petscsection), `PetscSection`, `PetscSectionGetComponentName()`, `PetscSectionSetNumFields()`, `PetscSectionGetNumFields()`,
`PetscSectionSetComponentName()`, `PetscSectionSetFieldName()`, `PetscSectionGetFieldComponents()`, `PetscSectionSetFieldComponents()`

## Level
intermediate

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


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[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)  
