# DMGetEnclosureRelation
Get the relationship between dmA and dmB 
## Synopsis
```
#include "petscdmplex.h"    
#include "petscdmlabel.h"   
PetscErrorCode DMGetEnclosureRelation(DM dmA, DM dmB, DMEnclosureType *rel)
```

## Input Parameters

- ***dmA -*** The first DM
- ***dmB -*** The second DM



## Output Parameter

- ***rel -*** The relation of dmA to dmB





## See Also
 `DMGetEnclosurePoint()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/plex/plexsubmesh.c.html#DMGetEnclosureRelation">src/dm/impls/plex/plexsubmesh.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/impls/plex/plexsubmesh.c)


[Index of all DMPlex routines](index.md)  
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[Index of all manual pages](/docs/manualpages/singleindex.md)