:orphan:
# PetscOptionsFindPair
Gets an option name-value pair from the options database. 
## Synopsis
```
#include "petscsys.h"   
PetscErrorCode PetscOptionsFindPair(PetscOptions options, const char pre[], const char name[], const char *value[], PetscBool *set)
```
Not Collective


## Input Parameters

- ***options -*** options database, use `NULL` for the default global database
- ***pre -*** the string to prepend to the name or `NULL`, this SHOULD NOT have the "-" prepended
- ***name -*** name of option, this SHOULD have the "-" prepended



## Output Parameters

- ***value -*** the option value (optional, not used for all options)
- ***set -*** whether the option is set (optional)





## Note
Each process may find different values or no value depending on how options were inserted into the database


## See Also
 `PetscOptionsSetValue()`, `PetscOptionsClearValue()`

## Level
developer

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


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


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