Orchestration - Copy grid data

Hello,

I have built an orchestration, the first step which is a form request(custom header detail form) with load the data to a worktable. After loading the data in grid I am generating job number and displaying in the grid for each line. Each line will have a unique job number.

Then I am returning the complete grid as output.

Now I need to use this grid data to upload into another form request(P5202- Work With Contract Billing Line Details). i am able to map the grid details but it will not work.

If I do iterate over the grid which is the output of header detail, for each record it will create individual lines in P5202 i.e Original, change