Drawing: related creo

Hello All,

My question regarding the Creo Drawing..!!

In note if we type  &model_name we will get a Assembly or Part number in drawing currently use in drawing

Ex:  &model_name =  A432G06

I need your help to get a drawing number in a same way please help me. 

Ex: ?????= DS233445 (wind-chill)

Regards

Sooraj

Thanks in Advance