# TSTrajectoryRegister
Adds a way of storing trajectories to the `TS` package 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSTrajectoryRegister(const char sname[], PetscErrorCode (*function)(TSTrajectory, TS))
```
Not Collective


## Input Parameters

- ***name        -*** the name of a new user-defined creation routine
- ***create_func -*** the creation routine itself





## Note
`TSTrajectoryRegister()` may be called multiple times to add several user-defined tses.


## See Also
 [](chapter_ts), `TSTrajectoryRegisterAll()`

## Level
developer

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


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


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