:orphan:
# PetscViewerHDF5SetDefaultTimestepping
Set the flag for default timestepping
## Synopsis
```
#include "petscviewerhdf5.h"
PetscErrorCode PetscViewerHDF5SetDefaultTimestepping(PetscViewer viewer, PetscBool flg)
```
Logically Collective
## Input Parameters
- ***viewer -*** the `PetscViewer`; if it is not `PETSCVIEWERHDF5` then this command is ignored
- ***flg -*** if `PETSC_TRUE` we will assume that timestepping is on
## Options Database Key
- ***-viewer_hdf5_default_timestepping -*** turns on (true) or off (false) default timestepping
## Note
If the timestepping attribute is not found for an object, then the default timestepping is used
## See Also
[](sec_viewers), `PETSCVIEWERHDF5`, `PetscViewerHDF5GetDefaultTimestepping()`, `PetscViewerHDF5PushTimestepping()`, `PetscViewerHDF5GetTimestep()`
## Level
intermediate
## Location
src/sys/classes/viewer/impls/hdf5/hdf5v.c
## Implementations
PetscViewerHDF5SetDefaultTimestepping_HDF5 in src/sys/classes/viewer/impls/hdf5/hdf5v.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/impls/hdf5/hdf5v.c)
[Index of all Viewer routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)