Exam Name: Declarative Development for Platform App Builders in Lightning- Extended
Certification Provider: Salesforce
Corresponding Certification: Salesforce Platform APP Builder
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- Total Questions: 432
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Salesforce DEX-403E Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Modeling and Management | - Objects and relationships - Schema design considerations - Data import and export tools |
| User Interface | - Dynamic forms and components - Page layouts and record pages - Lightning App Builder |
| Salesforce Fundamentals | - Platform architecture basics - Core CRM concepts |
| Business Logic and Process Automation | - Validation rules - Workflow rules and process builder - Flow automation |
| Security | - Organization-wide defaults - Field-level security - Role hierarchy and sharing rules |
| App Deployment | - Sandbox strategy - Change sets - Deployment lifecycle |
DEX-403E Exam FAQ: From Sample to Purchase
The official Salesforce Declarative Development for Platform App Builders in Lightning- Extended outline defines 6 domains. The leading three are App Deployment, Salesforce Fundamentals, and User Interface. The full list is in the topics section above, and TestKingsIT's 432 practice questions cover each one.
The DEX-403E exam is a Salesforce certification exam validating the Salesforce Declarative Development for Platform App Builders in Lightning- Extended syllabus shown above. It belongs to these credential paths: Salesforce Certified Administrator, Salesforce Certified Advanced Administrator, Salesforce Certified Platform Developer I. In a crowded 2026 job market, the credential demonstrates ability visibly — and TestKingsIT prepares candidates with 432 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
TestKingsIT issues a full refund if you take the Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
Online proctored or onsite testing center Register for the Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam through these official channels:
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The Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam requires 63% to pass, and registration costs $200 USD. A failed attempt means paying the same fee again — a readiness check with the TestKingsIT engines before booking is the cheaper option.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 432 practice questions are identical across versions. Every purchase includes 365 days of free updates — pushed to you automatically whenever the bank is revised — plus a 50% renewal discount afterward and unlimited computer installations.
The Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam contains 60 to complete within 105 minutes. Timed simulation in the TestKingsIT Desktop Test Engine teaches that rhythm before exam day does.
Salesforce recommends these training resources for the Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam:
Follow the training with steady self-testing — the 432 practice questions from TestKingsIT help you apply theory and fill any gaps the training leaves.
No formal prerequisites required, but Salesforce Administrator certification is strongly recommended. Since requirements change over time, confirm the latest on the official Salesforce exam page before scheduling.
Salesforce Declarative Development for Platform App Builders in Lightning- Extended Sample Questions:
Universal containers has included its orders as an external data object into Salesforce. You want to create a relationship between Accounts and the Orders object (one-to-many relationship) leveraging a key field for account which is on both external object and Account. Which relationship do you create:
- A. Lookup Relationship
- B. Indirect Lookup Relationship
- C. Master Detail Relationship
- D. External Lookup Relationship
Correct Answer: B 🗳️
Ursa Major Solar (UMS) has a custom object where they track Galactic Vendors. The object has four custom fields for the Galactic Vendors's location:
The UMS's leadership wants these fields to be concatenated into a single formula field on two lines.
Which formula fulfills this requirement?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option D
- D. Option A
Correct Answer: B 🗳️
An app builder needs a custom solution and is considering using community. Ease of updates is the primary consideration.
What should the app builder consider?
- A. A managed package from AppExchange
- B. An open-source unmanaged package
- C. An unmanaged package from AppExchange
- D. An open-source custom development
Correct Answer: A 🗳️
Universal Containers wants to test code against a subject of production data that is under 5 GB. They want to refresh a sandbox weekly. Which type of sandbox should be used?
- A. Developer Sandbox
- B. Developer Pro Sandbox
- C. Partial Copy Sandbox
- D. Full Sandbox
- E. Enterprise Sandbox
Correct Answer: C 🗳️
Ursa Major Solar wants to see the Type field from the parent object Galaxy listed on the child record Star. The app builder is receiving an error stating "Picklist values are only supported in certain functions".
What formula should an app builder use to achieve the desired result?
- A. VALUE(Galaxy_r.Type__c)
- B. TEXT(Galaxy_r.Type_c)
- C. FIND(Galaxy__r.Type__c)
- D. ISPICKVAL(Galaxy__r.Type__c)
Correct Answer: B 🗳️
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