# TSGetUseSplitRHSFunction
Gets whether to use the split RHSFunction when a multirate method is used. 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSGetUseSplitRHSFunction(TS ts, PetscBool *use_splitrhsfunction)
```
Not collective


## Input Parameter

- ***ts -*** timestepping context



## Output Parameter

- ***use_splitrhsfunction -*** `PETSC_TRUE` indicates that the split RHSFunction will be used





## See Also
 [](chapter_ts), `TS`, `TSSetUseSplitRHSFunction()`

## Level
intermediate

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


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