# SNESFASSetType
Sets the update and correction type used for FAS. 
## Synopsis
```
#include "petscsnes.h"  
PetscErrorCode SNESFASSetType(SNES snes, SNESFASType fastype)
```
Logically Collective


## Input Parameters

- ***snes  -*** FAS context
- ***fastype  -*** `SNES_FAS_ADDITIVE`, `SNES_FAS_MULTIPLICATIVE`, `SNES_FAS_FULL`, or `SNES_FAS_KASKADE`





## See Also
 `SNESFAS`, `PCMGSetType()`, `SNESFASGetType()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/impls/fas/fasfunc.c.html#SNESFASSetType">src/snes/impls/fas/fasfunc.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/snes/impls/fas/fasfunc.c)


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