Your question is Define Feature Success Metrics. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're working on a product team that is preparing to launch a new feature. Before rollout, the team needs a clear way to judge whether the feature is actually successful and whether it creates any unintended harm elsewhere in the product.
How would you define the primary metric and guardrails for a new product feature?