PDF Version DemoGetcertkey offers DEX-403 exam preparation in three flexible formats: a printable PDF for study anywhere, a desktop test engine for realistic offline practice, and an online test engine that runs in any browser. However you prefer to prepare, the Salesforce Declarative Development for Platform App Builders in Lightning Experience material fits your routine.
Salesforce DEX-403 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Declarative Development for Platform App Builders in Lightning Experience |
| Exam Number: | DEX-403 |
| Exam Format: | Multiple Choice, Multiple Select |
| Real Exam Qty: | 60 |
| Passing Score: | 68% |
| Available Languages: | English |
| Exam Duration: | 105 minutes |
| Related Certifications: | Salesforce Administrator (ADM-201) Platform App Builder (CRT-403) |
| Exam Price: | $200 USD |
| Certificate Validity Period: | 2 years |
| 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 |
|---|---|---|
| Object Design and Logic | 12% | - Record Types - Roll-up Summary Fields - Business Logic Implementation - Validation Rules - Formula Fields |
| Data Management | 8% | - Data Export - Duplicate Rules and Matching Rules - Data Import Wizard - Data Loader |
| Salesforce Mobile App | 8% | - Mobile Actions - Salesforce Mobile App Configuration - Mobile Optimized Layouts - Mobile Navigation |
| Data Modeling | 12% | - Custom and Standard Objects - Custom and Standard Fields - Relationship Fields (Lookup, Master-Detail) - Data Types and Field Types - Schema Builder |
| Deployment Tools | 12% | - Sandbox Types and Uses - Change Sets - Salesforce DX (Optional) - Metadata API Basics |
| Approval Processes | 8% | - Approval Process Components - Approval Actions - Approval Workflow - Process Builder Integration |
| Reports and Dashboards | 10% | - Custom Report Types - Report Builder - Dashboard Components - Report Summaries and Charts - Report Types |
| Sharing and Visibility | 10% | - Account Team and Opportunity Team - Manual Sharing - Organization-Wide Defaults - Sharing Rules - Role Hierarchy |
| Screen Flows | 10% | - Logic Elements - Flow Debugging and Testing - Flow Builder Basics - Screen Elements - Flow Variables and Resources |
| User Interface | 10% | - Lightning Record Pages - Compact Layouts - Lightning Page Types - Page Layouts - Lightning App Builder |
Salesforce Declarative Development for Platform App Builders in Lightning Experience Exam FAQ: What Candidates Ask Most
What is the Salesforce DEX-403 exam?
The DEX-403 exam is the official Salesforce exam behind the Salesforce Platform APP Builder certification, validating the skills measured by the Salesforce Declarative Development for Platform App Builders in Lightning Experience credential. It sits at the Associate / Beginner level of the Salesforce certification program. It also connects to Salesforce Administrator (ADM-201), Platform App Builder (CRT-403), so the knowledge you build here carries over to those tracks as well.
How many questions are on the DEX-403 exam, and how much time do I get?
The DEX-403 exam contains 60 questions to be completed within 105 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
What score do I need to pass the DEX-403 exam, and what does it cost?
The passing score for the DEX-403 exam is 68%, and the official registration fee is $200 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 291 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Are there any prerequisites for the DEX-403 exam?
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. Requirements can change when Salesforce revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
Can I try the DEX-403 practice questions before I buy?
Yes. Getcertkey provides a free DEX-403 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Salesforce revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the DEX-403 exam, and how is my order delivered?
Every Salesforce Declarative Development for Platform App Builders in Lightning Experience purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the DEX-403 exam?
The Salesforce Declarative Development for Platform App Builders in Lightning Experience exam blueprint is organized into 10 domains. The first three are:
- Salesforce Mobile App — 8% of the exam
- Data Management — 8% of the exam
- Screen Flows — 10% of the exam
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
Salesforce Declarative Development for Platform App Builders in Lightning Experience Sample Questions:
Question 1
An app builder has created a custom Lightning App and wants to make it available to the internal users at Universal Containers.
Which two steps are necessary to accomplish this task?
Choose 2 answers
A. Create a subdomain using My Domain.
B. Upload the app to Static Resources.
C. Build a Custom Tab for the app.
D. Add the app to a Visualforce page.
Question 2
A Cloud Kicks employee submitted an opportunity for approval by their manager.
What would happen if the employee attempts to edit the description field after submission?
A. User will be presented with a 'Record Lock' notification.
B. User will be able to edit the name, but unable to edit the description.
C. User will see the record is now owned by their manager.
D. User will be able to edit the description field only.
Question 3
Universal Containers wants to understand return on investment for the latest advertising buy. They currently use a private security model for all objects.
What should an app builder recommend?
A. Configure Campaign Hierarchies and Campaign statistics
B. Change to a public security model
C. Run an opportunities pipeline report
D. Utilize Account Hierarchies and Roil-Up Summary fields
Question 4
Universal Containers has deployed custom tabs to Production via changes sets, without including the profile settings or permission sets.
What is the settings for the visibility of custom tabs?
A. Custom tabs are default off for all users.
B. Custom tabs are hidden for all users.
C. Custom tabs are NOT deployed.
D. Custom tabs are default on for all uses.
Question 5
Cloud Kicks wants to efficiently Increase the company's adoption of Salesforce while simultaneously moving away from their reliance on spreadsheets. An app builder is given a spreadsheet everyone is sharing that needs to be added to Salesforce. The object with fields needs to be created and the data inserted simultaneously.
Which tool should be used?
A. Import Wizard
B. Schema Builder
C. Data Loader
D. Lightning Object Creator
Solutions:
| Question 1 Answer: A,C | Question 2 Answer: A | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: D |
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