## On this page

  

 

 # write\_pmdat

 Last update: 20.02.2026 

<a id="ansys.meshing.prime.FileIO.write_pmdat"></a>

#### FileIO.write\_pmdat(file\_name, file\_write\_params)

Write a PyPrimeMesh data (PMDAT) file.

- **Parameters:**
    
    **file\_name**: Path for writing the data file on disk.
    
    **file\_write\_params**: Parameters for writing the data file.
- **Returns:**
    
    [`FileWriteResults`](ansys.meshing.prime.FileWriteResults.md#ansys.meshing.prime.FileWriteResults): Results from writing the data file.
- **Return type:**[`FileWriteResults`](ansys.meshing.prime.FileWriteResults.md#ansys.meshing.prime.FileWriteResults)

### Examples

```pycon
&gt;&gt;&gt; results = file_io.write_pmdat("/tmp/prime_mesh_data.pmdat",
                                  prime.FileWriteParams(model=model))

```