:orphan:
# PetscObjectAddOptionsHandler
Adds an additional function to check for options when `XXXSetFromOptions()` is called. 
## Synopsis
```
#include "petscsys.h"    
PetscErrorCode PetscObjectAddOptionsHandler(PetscObject obj, PetscErrorCode (*handle)(PetscObject, PetscOptionItems *, void *), PetscErrorCode (*destroy)(PetscObject, void *), void *ctx)
```
Not Collective


## Input Parameters

- ***obj -*** the PETSc object
- ***handle -*** function that checks for options
- ***destroy -*** function to destroy context if provided
- ***ctx -*** optional context for check function





## See Also
 `KSPSetFromOptions()`, `PCSetFromOptions()`, `SNESSetFromOptions()`, `PetscObjectProcessOptionsHandlers()`, `PetscObjectDestroyOptionsHandlers()`,
`PetscObject`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/objects/inherit.c.html#PetscObjectAddOptionsHandler">src/sys/objects/inherit.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/objects/inherit.c)


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