フリー問題

問題文

An action reads the total from the invoice screen, but it sometimes reads an empty value because the screen has not finished drawing. The developer wants to hold the flow until the total is present, and also wants a safe way out for the day when the total never appears at all. How should the action be built?

選択肢

1. The flow holds until the check on the total turns true inside the End stage, and the route taken after the allotted period runs out is the ready branch before the run can go on inside the application.
2. The flow holds until the check on the total turns true inside the Wait stage, and the route taken after the allotted period runs out is the ready branch before the run can go on inside the application.
3. The flow holds until the check on the total turns true inside the End stage, and the route taken after the allotted period runs out is the timeout branch before the run can go on inside the application.
4. The flow holds until the check on the total turns true inside the Wait stage, and the route taken after the allotted period runs out is the timeout branch before the run can go on inside the application.