DEX-403 Exam Information and Outline
Declarative Development for Platform App Builders in Lightning Experience
DEX-403 Exam Syllabus & Study Guide
Before you start practicing with our exam simulator, it is essential to understand the official DEX-403 exam objectives. This course outline serves as your roadmap, breaking down exactly which technical domains and skills will be tested. By reviewing the syllabus, you can identify your strengths and focus your study time on the areas where you need the most improvement.
The information below reflects the latest 2026 course contents as defined by SalesForce. We provide this detailed breakdown to help you align your preparation with the actual exam format, ensuring there are no surprises on test day. Use this outline as a checklist to track your progress as you move through our practice question banks.
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
Exam Details for DEX-403 Declarative Development for Platform App Builders in Lightning Experience:
Number of Questions: The exam consists of approximately 60 multiple-choice and multiple-select questions.
Time Limit: The total time allocated for the exam is 105 minutes (1 hour and 45 minutes).
Passing Score: To pass the exam- you must achieve a minimum score of 65%.
Exam Format: The exam is conducted online and is proctored. You will be required to answer the questions within the allocated time frame.
Course Outline:
1. Salesforce Fundamentals:
- Introduction to the Salesforce platform
- Understanding the role of a Platform App Builder
- Key features and capabilities of Salesforce Lightning Experience
2. Data Modeling and Management:
- Designing custom objects and fields
- Defining relationships and data types
- Managing data security and access controls
3. Business Logic and Process Automation:
- Building and customizing business processes
- Implementing validation rules and workflows
- Creating approval processes and process builder flows
4. User Interface and App Customization:
- Customizing page layouts and record types
- Building and configuring Lightning pages and components
- Implementing custom themes and branding
5. Reporting and Dashboards:
- Designing and creating reports and dashboards
- Customizing report formats and chart types
- Sharing and scheduling reports and dashboards
6. Integration and App Deployment:
- Configuring external data sources and integrations
- Implementing custom app deployment strategies
- Managing sandbox environments and change sets
Exam Objectives:
1. Understand the fundamentals of the Salesforce platform and Lightning Experience.
2. Design and manage data models and relationships.
3. Customize and automate business processes.
4. Create and customize user interfaces using Lightning components and pages.
5. Design and create reports and dashboards.
6. Configure integrations and deploy applications.
Exam Syllabus:
The exam syllabus covers the following topics:
1. Salesforce Fundamentals
- Introduction to Salesforce platform and Lightning Experience
- Role of a Platform App Builder
- Key features and capabilities of Lightning Experience
2. Data Modeling and Management
- Custom object and field design
- Relationships and data types
- Data security and access controls
3. Business Logic and Process Automation
- Business process customization
- Validation rules and workflows
- Approval processes and process builder flows
4. User Interface and App Customization
- Page layout and record type customization
- Lightning page and component configuration
- Custom themes and branding
5. Reporting and Dashboards
- Report and dashboard creation and customization
- Report formats and chart types
- Report and dashboard sharing and scheduling
6. Integration and App Deployment
- External data sources and integrations configuration
- Custom app deployment strategies
- Sandbox environments and change sets management