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 # ExtractTopoVolumesParams

 Last update: 20.02.2026 

<a id="ansys.meshing.prime.ExtractTopoVolumesParams"></a>

### *class* ansys.meshing.prime.ExtractTopoVolumesParams(model=None, zone\_name=None, json\_data=None, \*\*kwargs)

Parameters to extract flow topovolumes.

- **Parameters:**
    
    **model: Model**: Model to create a `ExtractTopoVolumesParams` object with default parameters.
    
    **zone\_name: str, optional**: Specifies zone name to associate extracted flow topovolumes.
    
    **json\_data: dict, optional**: JSON dictionary to create a `ExtractTopoVolumesParams` object with provided parameters.

### Examples

```pycon
&gt;&gt;&gt; extract_topo_volumes_params = prime.ExtractTopoVolumesParams(model = model)

```

### Methods

NameDescription[`ExtractTopoVolumesParams.print_default`](ansys.meshing.prime.ExtractTopoVolumesParams.print_default.md#ansys.meshing.prime.ExtractTopoVolumesParams.print_default)()Print the default values of `ExtractTopoVolumesParams` object.[`ExtractTopoVolumesParams.set_default`](ansys.meshing.prime.ExtractTopoVolumesParams.set_default.md#ansys.meshing.prime.ExtractTopoVolumesParams.set_default)(\[zone\_name\])Set the default values of the `ExtractTopoVolumesParams` object.### Attributes

NameDescription[`ExtractTopoVolumesParams.zone_name`](ansys.meshing.prime.ExtractTopoVolumesParams.zone_name.md#ansys.meshing.prime.ExtractTopoVolumesParams.zone_name)Specifies zone name to associate extracted flow topovolumes.