MODIFIED and TOUCHED attributes in the multi-user model history

Last updated July 2, 2020 by Tekla Global Support tekla.structures.ghd@trimble.com

Environment: 
Not environment-specific

MODIFIED and TOUCHED attributes in the multi-user model history

Question:
In templates and reports you can retrieve the following information on the model history in multi-user models. What is the difference between these HISTORY attributes?
1. MODIFIED and TOUCHED
2. MODIFIED_BY and TOUCHED_BY
3. MODIFIED_ACTION and TOUCHED_ACTION