Your question is Choose the Right Feature Metric. 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 evaluating a new product feature, and different stakeholders want to judge success in different ways. Some argue for engagement, others for retention, and others for revenue. You need a clear way to decide which metric should be primary.
How would you decide if a new feature should be measured by engagement, retention, or revenue?