:orphan:
# DMSetApplicationContextDestroy
Sets a user function that will be called to destroy the application context when the `DM` is destroyed
## Synopsis
```
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMSetApplicationContextDestroy(DM dm, PetscErrorCode (*destroy)(void **))
```
Logically Collective if the function is collective
## Input Parameters
- ***dm -*** the `DM` object
- ***destroy -*** the destroy function
## See Also
[](ch_dmbase), `DM`, `DMSetApplicationContext()`, `DMView()`, `DMCreateGlobalVector()`, `DMCreateInterpolation()`, `DMCreateColoring()`, `DMCreateMatrix()`, `DMCreateMassMatrix()`, `DMGetApplicationContext()`
## Level
intermediate
## Location
src/dm/interface/dm.c
## Examples
src/snes/tutorials/ex35.c
---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/interface/dm.c)
[Index of all DM routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)