# 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


## 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>


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