PARAMETERCOPYMODE controls how constraints and related parameters are handled when constraint objects are copied between model space, paper space or a block.
Value
Description
0
Do not copy constraints.
1
Replace all expressions with constants.
2
Use existing parameters, and if a parameter is missing, replace it with a constant.
3
Use existing parameters, and create a new parameter if it is missing.
4
Use existing parameters, and rename a parameter if conflicts occur.