Community Tip - When posting, your subject should be specific and summarize your question. Here are some additional tips on asking a great question. X
Please, tell me how to add the table "Promotion Objects" from the page "Promotion Request" (screenshot 1.jpg) to the "Tasks" page (screenshot 2.jpg), so it turned out - screeshot 3.jpg ?
I do not believe you can do that with any out of the box functionality. But you should be able to find someone to customize the page for you.