Place it at the end of a tense setup, after Sudden Suspense builds the worry, so the reply closes the scene. Follow it with Oh My God Wow only if the relief turns into surprise, or let Kids Cheering carry a happy ending instead.
About this sound
This is a brief spoken clip, just under two seconds long, in which Dario Moccia says the Italian phrase 'tutto apposto,' meaning everything is all right. His delivery is calm and matter-of-fact, giving the line an easy, reassuring feel that works as a relaxed shrug rather than a big reaction. It suits moments when nothing is wrong and no drama is needed.