Add defaulted 2nd line item to invoice creation during run time

Hi All,

I got a request to adhd defaulted enactment point for each invoice during creation, this request is thing similar if determination is invoice for purchasing of TV, during invoice instauration INSTALLATION work should beryllium added arsenic a 2nd enactment point by default during invoice instauration earlier save.

This request has to beryllium done successful ECC, kindly suggest the solutions

Thanks

Udaykiran