Certified Platform Developer I (PD1)

Multi-tenant concepts and design frameworks including MVC architecture and Lightning Component Framework. Options and considerations when importing and exporting data. Data model including objects, fields, relationships, and external IDs. Declarative versus programmatic customizations, governor limits, formula fields, roll-up summaries.

Declarative functionality and Apex for business logic automation. Exception handling including custom exceptions. Apex transactions, save order of execution, recursion and cascading. Governor limits implications. Best practices for Apex classes and triggers. SOSL, SOQL, and DML statements. Apex control flow. Variables, constants, methods, modifiers, interfaces. Declarative process automation capabilities.

Apex with page components including Lightning Components, Flow, Next Best Actions. Lightning Web Component events use cases and best practices. Custom UI components including Lightning Components, Flow, Visualforce. Security vulnerabilities and data access. Lightning Component framework benefits and LWC content types. Visualforce pages with controllers and extensions.

Environments, requirements, and process for deploying code and configurations. Debugging system issues and monitoring flows, processes, asynchronous and batch jobs. Salesforce DX, CLI, Developer Console. Writing and executing tests for triggers, controllers, classes, flows, and processes.