We talked about this separately and @lpopovici ended up creating a solution that involved subtables.
For those with a similar use-case, right now, create override is not supported on the “Add Detail” button (see this post: Is the "Create Override" feature supported on detail applications? ). The following are some alternatives you could consider to achieve a similar behavior:
- Inline applications: You could build a standard application and then have an inline application to show your “details”. Keep in mind you would need to filter the inline application so it only shows records relevant to the current record you are on in the standard table.
- Mini-app over worktable: Queue a mini-app over a worktable that then updates your detail upon save.