:orphan:
# PetscDSSetDiscretization
Sets the discretization object for the given field
## Synopsis
```
#include "petscds.h"
PetscErrorCode PetscDSSetDiscretization(PetscDS prob, PetscInt f, PetscObject disc)
```
Not Collective
## Input Parameters
- ***prob -*** The `PetscDS` object
- ***f -*** The field number
- ***disc -*** The discretization object
## See Also
`PetscDS`, `PetscFE`, `PetscFV`, `PetscDSGetDiscretization()`, `PetscDSAddDiscretization()`, `PetscDSGetNumFields()`, `PetscDSCreate()`
## Level
beginner
## Location
src/dm/dt/interface/dtds.c
## Examples
src/snes/tutorials/ex63.c
src/tao/tutorials/ex3.c
src/ts/tutorials/ex48.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/interface/dtds.c)
[Index of all DT routines](index.md)
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