Hello, that would be easy to accomplish with the ActionButton (custom widget). There is some help about that in this forum.
See this post, for example:
I couldn’t find a public example, so created one here: Student Grades - Grist .
The idea is that you want to record exam grades for students. Select the first exam in the top-left table, and you’ll see the grades for it. If you select another exam, you’ll see that there isn’t a record for each student’s grade yet. You can type in as many new records as you have students (selecting a different student reference for each, and entering the corresponding grade). But the ActionButton widget allows yo…