:orphan:
# DMMoabIsEntityOnBoundary
Check whether a given entity is on the boundary (vertex, edge, face, element) 
## Synopsis
```
#include "petscdmmoab.h"   
PetscErrorCode DMMoabIsEntityOnBoundary(DM dm, const moab::EntityHandle ent, PetscBool *ent_on_boundary)
```
Collective


## Input Parameters

- ***dm -*** The DMMoab object
- ***ent -*** Entity handle



## Output Parameter

- ***ent_on_boundary -*** PETSC_TRUE if entity on boundary; PETSC_FALSE otherwise





## See Also
 `DMMoabCheckBoundaryVertices()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/moab/dmmoab.cxx.html#DMMoabIsEntityOnBoundary">src/dm/impls/moab/dmmoab.cxx</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex35.cxx.html">src/ksp/ksp/tutorials/ex35.cxx</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/ksp/tutorials/ex36.cxx.html">src/ksp/ksp/tutorials/ex36.cxx</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex35.cxx.html">src/ts/tutorials/ex35.cxx</A><BR>


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