Some candidates give up after failing several times, and that is a shame worth preventing. Proper DEX-403 preparation with expert-verified Salesforce Declarative Development for Platform App Builders in Lightning Experience materials from DumpStillValid changes the odds before the exam room ever enters the picture.
Salesforce DEX-403 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Declarative Development for Platform App Builders in Lightning Experience |
| Exam Number: | DEX-403 |
| Real Exam Qty: | 60 |
| Passing Score: | 68% |
| Related Certifications: | Salesforce Administrator (ADM-201) Platform App Builder (CRT-403) |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 105 minutes |
| Available Languages: | English |
| Exam Price: | $200 USD |
| Exam Format: | Multiple Choice, Multiple Select |
| 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 |
Salesforce DEX-403 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: User Interface | 10% | - Lightning Page Types - Lightning Record Pages - Compact Layouts - Page Layouts - Lightning App Builder |
| Topic 2: Reports and Dashboards | 10% | - Report Builder - Report Summaries and Charts - Report Types - Dashboard Components - Custom Report Types |
| Topic 3: Data Management | 8% | - Data Export - Data Loader - Duplicate Rules and Matching Rules - Data Import Wizard |
| Topic 4: Salesforce Mobile App | 8% | - Mobile Optimized Layouts - Salesforce Mobile App Configuration - Mobile Navigation - Mobile Actions |
| Topic 5: Sharing and Visibility | 10% | - Organization-Wide Defaults - Role Hierarchy - Manual Sharing - Sharing Rules - Account Team and Opportunity Team |
| Topic 6: Data Modeling | 12% | - Custom and Standard Objects - Custom and Standard Fields - Relationship Fields (Lookup, Master-Detail) - Schema Builder - Data Types and Field Types |
| Topic 7: Screen Flows | 10% | - Logic Elements - Flow Variables and Resources - Flow Builder Basics - Screen Elements - Flow Debugging and Testing |
| Topic 8: Deployment Tools | 12% | - Metadata API Basics - Salesforce DX (Optional) - Change Sets - Sandbox Types and Uses |
| Topic 9: Approval Processes | 8% | - Approval Actions - Approval Workflow - Approval Process Components - Process Builder Integration |
| Topic 10: Object Design and Logic | 12% | - Business Logic Implementation - Formula Fields - Roll-up Summary Fields - Validation Rules - Record Types |
DEX-403 Exam Prep: Tools, Policies, and Support
Salesforce lists the following prerequisites for the Salesforce Declarative Development for Platform App Builders in Lightning Experience: 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..
Verify the current requirements on the official certification page before registering.
The Salesforce Declarative Development for Platform App Builders in Lightning Experience blueprint is organized around these main domains:
- Data Management (8%)
- Object Design and Logic (12%)
- Reports and Dashboards (10%)
Additional domains follow in the official outline; our bank covers the complete set.
Per the latest exam information, the DEX-403 exam contains 60 questions and allows 105 minutes minutes. The software and online engines let you rehearse under those exact conditions.
Clear and confirmed. If you fail the corresponding exam within 60 days of purchase, send your failure score report to our support email together with a scanned copy of your enrollment slip — the official Score Report PDF must reach us within two days of the exam date. Once confirmed, we process the full refund within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. Alternatively, exchange your product for two others of equal value at no cost.
Upon successful payment, our system automatically emails the product to your mailbox — typically within about a minute — with an instant download link on screen. If nothing arrives within two hours, check your spam folder and contact us. From the date of purchase you hold a 365-day service warranty: our IT colleagues check update information every day, and whenever the bank is revised, we send you the download email for reference. Renew beyond the year at a 50% discount.
Currently, the DEX-403 exam requires a passing score of 68%, and the registration fee is $200 USD. Both figures belong to Salesforce and can change, so confirm them on the official site when you book.
Match the tool to your habits. The PDF version suits paper lovers: read online or print out for handwritten practice. The software version suits Windows users: interactive and functional, it reminds you of good study methods and easy memorization — and it remembers your mistakes after each session, prompting repeated practice until they stick. The online version carries the same functions to every operating system and device, so you can read, write, and recite anytime, anywhere. Whichever you choose, every answer is expert-verified, customer service is online 24/7, your information stays secret under a strict protection system — no advertisement emails — and returning customers enjoy loyalty discounts.
Salesforce Declarative Development for Platform App Builders in Lightning Experience Sample Questions:
DreamHouse Realty (DR) has a policy that requires the phone number on Contact to be deleted when the DoNotCall checkbox is checked.
What automation tool should the app builder recommend?
- A. Validation rule
- B. Workflow rule
- C. Quick action
- D. Approval process
Correct Answer: B 🗳️
Explanation: Only visible for DumpStillValid members. You can sign-up / login (it's free).
Cloud Kicks (CK) switched to Lightning Experience and started using Chatter across its global workforce to support its fast-paced sales cycle. CK loves Chatter but struggle with gathering feedback from core team members, including understanding who is available to respond.
Which two ways could CK use Chatter to solve this problem?
Choose 2 answers
- A. Out of Office
- B. Streams
- C. Topics
- D. Polls
Correct Answer: A,D 🗳️
Explanation: Only visible for DumpStillValid members. You can sign-up / login (it's free).
Northern Trail Outfitters wants to broadcast an email to 7,000 contacts Salesforce on a regular basis but realizes Salesforce is mass functionality has a limitation on the number erf emails that can be sent each day.
What action should the app builder take?
- A. Request Salesforce increase the number of maximum daily emails.
- B. Research and evaluate products available on AppExchange to send mass emails.
- C. Export Contacts to a CSV file and use an email client to send the emails.
- D. Develop Apex code and bghtnrrvg web component to send dairy emails
Correct Answer: B 🗳️
Explanation: Only visible for DumpStillValid members. You can sign-up / login (it's free).
Universal Containers (UC) has large data volumes and is nearing data storage limits. The planned solution is to archive historical data to reduce data storage in Salesforce; however, UC would still like to use reports, queries, and lookups on the archived information.
Which two options could meet this requirement?
Choose 2 answers
- A. Custom objects
- B. Big objects
- C. External objects
- D. Related objects
Correct Answer: B,C 🗳️
Explanation: Only visible for DumpStillValid members. You can sign-up / login (it's free).
The services manager wants to make sure the team enters case priority consistently.
What feature can an app builder use to accomplish this?
- A. Flow
- B. Next Best Action
- C. Path
- D. In-App Guidance
Correct Answer: C 🗳️
Explanation: Only visible for DumpStillValid members. You can sign-up / login (it's free).
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