:orphan:
# TSHasTransientVariable
determine whether transient variables have been set 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSHasTransientVariable(TS ts, PetscBool *has)
```
Logically Collective


## Input Parameter

- ***ts -*** `TS` on which to compute



## Output Parameter

- ***has -*** `PETSC_TRUE` if transient variables have been set





## See Also
 [](ch_ts), `TS`, `TSBDF`, `DMTSSetTransientVariable()`, `TSComputeTransientVariable()`

## Level
developer

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


---
[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](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)