# DMShellSetLocalToGlobalVecScatter
Sets a VecScatter context for local to global communication 
## Synopsis
```
#include "petscdmshell.h"  
PetscErrorCode DMShellSetLocalToGlobalVecScatter(DM dm, VecScatter ltog)
```
Logically Collective on dm

Input Parameters

- ***dm -*** the shell DM
- ***ltog -*** the local to global VecScatter context





## See Also
 `DMShellSetLocalToGlobal()`, `DMLocalToGlobalBeginDefaultShell()`, `DMLocalToGlobalEndDefaultShell()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/impls/shell/dmshell.c.html#DMShellSetLocalToGlobalVecScatter">src/dm/impls/shell/dmshell.c</A>


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


[Index of all DM routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)