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 # ansys.meshing.prime.FileIO

 Last update: 17.07.2025 

#### FileIO.export\_lsdyna\_keyword\_file(file\_name, params)

Export FEA LS-DYNA Keyword file for solid, surface mesh, or both.

- **Parameters:****file\_name**: Name of the file.
    
    **params**: Parameters for FEA LS-DYNA Keyword file export.
- **Returns:**[`FileWriteResults`](ansys.meshing.prime.FileWriteResults.md#ansys.meshing.prime.FileWriteResults): Returns FileWriteResults.
- **Return type:**[`FileWriteResults`](ansys.meshing.prime.FileWriteResults.md#ansys.meshing.prime.FileWriteResults)

### Notes

**This is a beta API**. **The behavior and implementation may change in future**.

### Examples

```pycon
>>> results = file_io.export_lsdyna_keyword_file(
    file_name, ExportLSDynaKeywordFileParams(model=model)
)

```