:orphan:
# PetscObjectComposedDataSetScalar
attach `PetscScalar` data to a `PetscObject` that may be later retrieved with `PetscObjectComposedDataGetScalar()` 
## Synopsis
```
#include "petsc/private/petscimpl.h"
PetscErrorCode PetscObjectComposedDataSetScalar(PetscObject obj, PetscInt id, PetscScalar data)
```
Not Collective


## Input Parameters

- ***obj -*** the object to which data is to be attached
- ***id -*** the identifier for the data
- ***data -*** the data to  be attached, a `PetscScalar`





## Note
The `data` identifier can be determined through a call to `PetscObjectComposedDataRegister()`


## See Also
 `PetscObjectComposedDataSetInt()`, `PetscObjectComposedDataSetReal()`, `PetscObjectComposedDataGetReal()`, `PetscObjectComposedDataSetIntstar()`,
`PetscObjectComposedDataSetIntstar()`, `PetscObjectComposedDataGetInt()`, `PetscObject`,
`PetscObjectCompose()`, `PetscObjectQuery()`, `PetscObjectComposedDataSetRealstar()`, `PetscObjectComposedDataGetScalar()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsc/private/petscimpl.h.html#PetscObjectComposedDataSetScalar">include/petsc/private/petscimpl.h</A>


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