# PetscBagSetFromOptions
Allows setting entries to a `PetscBag` using the options database 
## Synopsis
```
#include "petscbag.h"   
PetscErrorCode PetscBagSetFromOptions(PetscBag bag)
```
Collective


## Input Parameter

- ***bag -*** the bag of values





## Note
The options database keys for the entries are of the form `-[bagprefix]_name value`


## See Also
 `PetscBag`, `PetscBagSetName()`, `PetscBagDestroy()`, `PetscBagLoad()`, `PetscBagGetData()`
`PetscBagRegisterReal()`, `PetscBagRegisterInt()`, `PetscBagRegisterBool()`, `PetscBagRegisterScalar()`
`PetscBagSetFromOptions()`, `PetscBagCreate()`, `PetscBagGetName()`, `PetscBagView()`, `PetscBagRegisterEnum()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/bag/bag.c.html#PetscBagSetFromOptions">src/sys/classes/bag/bag.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/tutorials/ex5.c.html">src/sys/tutorials/ex5.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/tutorials/ex5f90.F90.html">src/sys/tutorials/ex5f90.F90.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex17.c.html">src/snes/tutorials/ex17.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex62.c.html">src/snes/tutorials/ex62.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex69.c.html">src/snes/tutorials/ex69.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex71.c.html">src/snes/tutorials/ex71.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex53.c.html">src/ts/tutorials/ex53.c.html</A><BR>


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


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