Salesforce Certified Platform App Builder is a certification designed for professionals with experience in declarative development on the Lightning Platform. It covers the key skills required to design custom applications, including data modeling and object relationships, security and sharing strategies, business logic and process automation, user interface and mobile optimization, report and dashboard creation, as well as best practices for application deployment. AAAdemy provides fully exam-outline–aligned knowledge explanations, study plans, learning strategies, exam tips, and online practice questions to help you prepare systematically and enhance your no-code development capabilities.