Get Username and Business Group details from Hadoop Workflows

Hi folks,

We are able to successfully deploy Hadoop Clusters with the help of  vCAC - vCO Integration. We are trying to update the database with information like username (who requested the Hadoop Cluster), Business Group etc., The problem is, we are not able to pull the username and Business Group details from vCAC through the Hadoop Workflows in vCO. These details are neither the inputs nor attributes nor outputs.. yet, all the details are displayed. But, when the workflow starts we get all the details such as username and Business Group ID in vCO under the 'Variables' tab (Shown in the below picture).  Is there any way we can log this information??

System.log(__asd_tenantref); --doesn't work.

I think these values are updated automatically through vCAC when the cluster deployment is initiated. Is there any way we can track these information?

Thanks,

SK

(In the picture below, the highlighted ones are the required information)