:orphan:
# TaoSetApplicationContext
Sets the optional user-defined context for a `Tao` solver. 
## Synopsis
```
#include "petsctao.h" 
PetscErrorCode TaoSetApplicationContext(Tao tao, void *usrP)
```
Logically Collective


## Input Parameters

- ***tao  -*** the `Tao` context
- ***usrP -*** optional user context





## See Also
 [](ch_tao), `Tao`, `TaoGetApplicationContext()`, `TaoSetApplicationContext()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/interface/taosolver.c.html#TaoSetApplicationContext">src/tao/interface/taosolver.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/tao/interface/taosolver.c)


[Index of all Tao routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)  
