18.  Topic 3, City Power & Light 
Case study
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study. 
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section. 
To start the case study
Background
Current environment
API Management and Azure Function App functions are used to process and store data in Azure Database for PostgreSQL. API Management is used to broker communications to the Azure Function app functions for Logic app integration. Logic apps are used to orchestrate the data processing while Service Bus and Event Grid handle messaging and events.
Architecture diagram
User authentication
Requirements
Azure Database for PostgreSQL
The connection information is updated frequently. The application must always use the latest information to connect to the database. 
Azure Service Bus and Azure Event Grid
Security
Compliance
Issues
Function app
Logic app
Code
Function app
You need to correct the RequestUserApproval Function app error.