Can't add DC parameter via the annotation

Hello,

This question has been asked multiple times as shown here:

https://community.cadence.com/cadence_technology_forums/f/custom-ic-design/41046/unwanted-empty-line-in-annotation-setup

https://community.cadence.com/cadence_technology_forums/f/custom-ic-design/42253/can-t-edit-value-of-cdf-parameters-in-edit-object-property-form

https://community.cadence.com/cadence_technology_forums/f/custom-ic-design/42253/can-t-edit-value-of-cdf-parameters-in-edit-object-property-form

I followed the instruction by going to CIW > Tools > CDF > Edit and did the following:

1. Scope selected cell

2. CDF Layer selected Base

3. Library Name the desired library is chosen 

4. Cell Name the preferred Cell name is selected 

5. I am confused on callback setup 

6. From the tab, I chose Interpreted Labels 

7. Use CDS parm to display selected operating point results and added region

I am attaching two pictures. The first one is what I get on the annotation balloon and the second picture is what I did to select the region dc parameter. But for some reason, region is not showing on the transistors. 

I consulted the PDK documentation, and I couldn't find anything. 

Thank you so much for your help.