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Updated: Sep 14, 2026
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Salesforce DEX-403 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Declarative Development for Platform App Builders in Lightning Experience |
| Exam Number: | DEX-403 |
| Available Languages: | English |
| Exam Price: | $200 USD |
| Passing Score: | 68% |
| Exam Duration: | 105 minutes |
| Related Certifications: | Platform App Builder (CRT-403) Salesforce Administrator (ADM-201) |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 2 years |
| Exam Format: | Multiple Choice, Multiple Select |
| Sample Questions: | Salesforce DEX-403 Sample Questions |
| Exam Way: | Online proctored exam (Webassessor) or in-person testing center |
| Pre Condition: | Recommended: Completion of the declarative development modules on Trailhead, particularly 'Platform App Builder' superbadge prerequisites. Basic understanding of Salesforce CRM concepts is beneficial but not mandatory. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/datamodeling |
Earning the Salesforce DEX-403 certification can open up new career opportunities for individuals in the Salesforce ecosystem. It can demonstrate to employers, clients, and peers that the certified individual has the necessary skills and knowledge to build custom applications on the Salesforce platform. Furthermore, it can provide a competitive edge in the job market and increase earning potential. Overall, the Salesforce DEX-403 certification is a valuable credential for individuals who want to advance their careers in the Salesforce ecosystem.
Candidates who pass the Salesforce DEX-403 exam will receive the Salesforce Certified Platform App Builder certification. Declarative Development for Platform App Builders in Lightning Experience certification is recognized worldwide and demonstrates the candidate's ability to design and build custom applications on the Salesforce platform. Declarative Development for Platform App Builders in Lightning Experience certification is also a requirement for some Salesforce job roles, such as Salesforce Developer, Salesforce Consultant, and Salesforce Administrator.
Salesforce DEX-403, also known as the Salesforce Certified Platform App Builder exam, is designed for individuals who want to demonstrate their expertise in building custom applications on the Salesforce platform. Declarative Development for Platform App Builders in Lightning Experience certification is perfect for those who are responsible for designing, building, and implementing custom applications that are tailored to meet the unique needs of their organization.
Salesforce DEX-403 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Modeling | 12% | - Data Types and Field Types - Custom and Standard Objects - Schema Builder - Custom and Standard Fields - Relationship Fields (Lookup, Master-Detail) |
| Topic 2: Approval Processes | 8% | - Process Builder Integration - Approval Actions - Approval Workflow - Approval Process Components |
| Topic 3: Data Management | 8% | - Duplicate Rules and Matching Rules - Data Export - Data Import Wizard - Data Loader |
| Topic 4: Deployment Tools | 12% | - Metadata API Basics - Change Sets - Sandbox Types and Uses - Salesforce DX (Optional) |
| Topic 5: Salesforce Mobile App | 8% | - Salesforce Mobile App Configuration - Mobile Optimized Layouts - Mobile Actions - Mobile Navigation |
| Topic 6: Sharing and Visibility | 10% | - Role Hierarchy - Manual Sharing - Organization-Wide Defaults - Account Team and Opportunity Team - Sharing Rules |
| Topic 7: User Interface | 10% | - Page Layouts - Lightning Page Types - Compact Layouts - Lightning App Builder - Lightning Record Pages |
| Topic 8: Reports and Dashboards | 10% | - Report Types - Custom Report Types - Report Summaries and Charts - Report Builder - Dashboard Components |
| Topic 9: Screen Flows | 10% | - Screen Elements - Flow Debugging and Testing - Flow Variables and Resources - Logic Elements - Flow Builder Basics |
| Topic 10: Object Design and Logic | 12% | - Validation Rules - Business Logic Implementation - Roll-up Summary Fields - Record Types - Formula Fields |
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