# PetscHSetIAdd
Set an entry in the hash set 
## Synopsis
```
#include <petsc/private/hashseti.h>
PetscErrorCode PetscHSetIAdd(PetscHSetI ht, PetscInt key)
```

## Input Parameters

- ***ht  -*** The hash set
- ***key -*** The entry





## See Also
 `PetscHSetIDel()`, `PetscHSetIHas()`, `PetscHSetIQueryAdd()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsc/private/generated_khash.h.html#PetscHSetIAdd">include/petsc/private/generated_khash.h</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petsc/private/generated_khash.h)


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