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 # ansys.meshing.prime.SurfaceUtilities

 Last update: 17.07.2025 

#### SurfaceUtilities.create\_boi(face\_zonelet\_ids, params)

Create BOI to input face zonelets.

- **Parameters:****face\_zonelet\_ids**: List of input face zonelet IDs.
    
    **params**: Parameters for controlling BOI creation.
- **Returns:**[`CreateBOIResults`](ansys.meshing.prime.CreateBOIResults.md#ansys.meshing.prime.CreateBOIResults): Results from creating BOI.
- **Return type:**[`CreateBOIResults`](ansys.meshing.prime.CreateBOIResults.md#ansys.meshing.prime.CreateBOIResults)

### Examples

```pycon
>>> result = surf_utils.create_boi(zonelets, params)

```