def METHOD_NAME(input_file, temp_dir, starfusion_file):
    print("Converting Fusion file to TSV")
    tsv_file = os.path.join(temp_dir, 'tmp.tsv')
    convert_params = {
        'input_file' : input_file,
        'output_file': tsv_file,
        'starfusion_file': starfusion_file
    }
    converter = FusionInputConverter(**convert_params)
    converter.execute()
    print("Completed")