# TSSetOptionsPrefix
Sets the prefix used for searching for all TS options in the database. 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSSetOptionsPrefix(TS ts, const char prefix[])
```
Logically Collective on ts


## Input Parameters

- ***ts     -*** The `TS` context
- ***prefix -*** The prefix to prepend to all option names





## Note
A hyphen (-) must NOT be given at the beginning of the prefix name.
The first character of all runtime options is AUTOMATICALLY the
hyphen.


## See Also
 [](chapter_ts), `TS`, `TSSetFromOptions()`, `TSAppendOptionsPrefix()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/interface/ts.c.html#TSSetOptionsPrefix">src/ts/interface/ts.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/utils/dmplexlandau/tutorials/ex1f90.F90.html">src/ts/utils/dmplexlandau/tutorials/ex1f90.F90.html</A><BR>


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


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