In this lab challenge, you will need to prove your knowledge of Google Cloud API Gateway by creating cloud functions and exposing them through Cloud API Gateway. The objectives you will need to achieve represent essential skills that a Google Professional Developer needs to have. You'll be given a desired end state and be required to reach it using your knowledge of the Google Cloud API Gateway service. This lab challenge simulates building a solution in a real-world scenario. As with any real-world scenario, this lab will not guide you through the steps needed to complete it.