Incident Reassignment field (asgnchg ) does not show any value

Hi Experts,

 

I am using SM9.32 with PD, The OOB functionality the number of times a ticket reassigned ( dbdict: asgnchg) not showing any value after change the assignment group. I want to enable this funcationality to my client. it is urgent.

can you some one please help me where I suppose to look at.

 

Thanks

Triandha