EHS - value assignment types

Hi Friends,

I'm not an EHS expert however I've received an EHS specific query, please help me to understand and how to proceed on below requirement:

In EHS module, create a new branch "regulatory information CLP" with 5 new properties and update old one to DSD/DPD.

For these changes, adds and changes will have to be done in customizing in "value assignment types" entry with different valorization type (branch and properties).

I can trace Value Assignments under property tree in SPRO but don't know how to go about.

Regards,

Yati