Calculate Total Remaining Quantity

Summary:

Total Quantity =10 is in BO1 and Quantity Used = 5 is in BO2.

We want to store the Difference of the Quantity Remaining =5 in the BO1 as .

Total Quantity in BO1=Total Quantity in BO1- Quantity Used from BO2

We are passing Emp no as parameter

We tried groovy script object function but it does not work while trying to assign in the Action Events

Please advise any sample app for the above scenario

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):