creo4 config.pro option documentation for: PIPING_PROJECT_DATA_DIR

piping_project_data_dir
(Spec-Driven Piping)
<creo_load_directory>/text/piping_data/sample_project/
*
, <absolute directory path>
Specify a path where the project related specification and design rule files are archived. Spec-Driven Piping uses this data for spec-driven pipeline modeling and reporting.