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Salesforce DEX-403E Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Declarative Development for Platform App Builders in Lightning - Extended (DEX-403E) |
| Exam Number: | DEX-403E |
| Exam Duration: | 105 minutes |
| Passing Score: | 63% |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Choice, Multiple Select |
| Real Exam Qty: | 60 |
| Exam Price: | $200 USD |
| Available Languages: | Japanese, German, English, Spanish, Portuguese (Brazil), French |
| Related Certifications: | Salesforce Certified Platform Developer I Salesforce Certified Advanced Administrator Salesforce Certified Administrator |
| Recommended Training: | Trailhead Platform App Builder Modules |
| Exam Registration: | Salesforce Certification Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | No formal prerequisites required, but Salesforce Administrator certification is strongly recommended. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platformappbuilder |
Salesforce DEX-403E Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: App Deployment | - Sandbox strategy - Deployment lifecycle - Change sets |
| Topic 2: Business Logic and Process Automation | - Workflow rules and process builder - Flow automation - Validation rules |
| Topic 3: Salesforce Fundamentals | - Platform architecture basics - Core CRM concepts |
| Topic 4: Security | - Role hierarchy and sharing rules - Organization-wide defaults - Field-level security |
| Topic 5: User Interface | - Page layouts and record pages - Lightning App Builder - Dynamic forms and components |
| Topic 6: Data Modeling and Management | - Objects and relationships - Data import and export tools - Schema design considerations |
What You Need to Know About the DEX-403E Exam
Salesforce Declarative Development for Platform App Builders in Lightning- Extended is an official certification exam from Salesforce, identified by the exam code DEX-403E. Pass it and you hold the Salesforce Certified Platform App Builder certification, which sits at the Professional level. It also feeds into related credentials, including Salesforce Certified Administrator, Salesforce Certified Advanced Administrator, Salesforce Certified Platform Developer I. In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.
Expect 60 questions within 105 minutes on the Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam. Numbers aside, the real challenge is rhythm: lingering too long on one item quietly steals time from three others. Build the habit of answering, flagging, and moving on, then rehearse the full experience under a countdown with the ValidVCE test engine until finishing comfortably early becomes your norm.
Registration for Salesforce Declarative Development for Platform App Builders in Lightning- Extended officially runs $200 USD, with 63% required to pass. Worth knowing before you book: retakes are billed at the same full $200 USD, so a failed attempt doubles your spend. The smarter sequence is to measure yourself first. When your scores on the ValidVCE practice tests clear the passing line with room to spare, consistently, that is your signal to schedule the real thing.
No formal prerequisites required, but Salesforce Administrator certification is strongly recommended.
Because vendors update their policies without much fanfare, verify the latest entry requirements before you book using the official exam page.
Booking for the Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam goes through the vendor's official registration channels.
When you choose your slot, note that the exam is delivered Online proctored or onsite testing center.
Salesforce lists the following recommended training for Salesforce Declarative Development for Platform App Builders in Lightning- Extended candidates.
Courses teach the concepts; repetition makes them exam-ready. Round out whichever training you pick with the 432 practice questions from ValidVCE, and each topic stops being theory and starts being points.
Yes, and we encourage it. Download the free PDF demo of the Salesforce Declarative Development for Platform App Builders in Lightning- Extended questions from ValidVCE and evaluate the quality on your own terms. After you buy, every update for the next 365 days is free, and when that window closes you can extend your update service at half price.
A 100% money-back guarantee applies, governed by clear conditions. If you sit the Salesforce Declarative Development for Platform App Builders in Lightning- Extended exam within 60 days of purchase and fail, you can claim a full refund, as long as the exam corresponds to your product. Attempts made within 3 days of purchase are ineligible, as are products you downloaded but never used, free materials, and expired orders; the name on the exam record must match the payer's name. File your claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is settled within 7 days. Rather have a replacement than a refund? You may exchange for two other exam products of equal value, free, and your original product keeps its update service.
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The Salesforce Declarative Development for Platform App Builders in Lightning- Extended blueprint spans 6 domains. The ones carrying the most weight include App Deployment, Data Modeling and Management, and User Interface. The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.
Salesforce Declarative Development for Platform App Builders in Lightning- Extended Sample Questions:
universal containers has implemented multi currency. There are several products that universal containers sells exclusively in europe and the UK. Opportunities for these products need to be written in euros or british pounds. Which solution should an app builder recommend ?
- A. Create a new validation rule that allows only EUR or GBP to be selected from all active currencies when an opportunity is created for these products.
- B. Create a new record type for these products and include only the EUR and GBP currencies from the opportunity currency picklist
- C. Create a new page layout for these products that shows only the EUR and GRP currencies in the opportunity currency picklist.
- D. Create a new sales process that includes only the EUR and GBP currencies for these products.
Correct Answer: D 🗳️
Universal containers requires that all users specify a contract is sent on each opportunity prior to marking it as closed won. uc wants to be able to report on how many opportunities have sent contracts compared to how many have a missing contract when the opportunities closed. what type of field should an app builder configure to fulfill this requirement ?
- A. Text
- B. Picklist
- C. Checkbox
- D. Text Area
Correct Answer: C 🗳️
At Universal Containers, the Account object has a Master-Detail relationship with an Invoice custom object. The App Builder would like to change to a lookup field, but is not able to do so. What could be causing this?
- A. The Account is included in the workflow on the Invoice object.
- B. The Invoice records have existing values in the Account.
- C. The Account record includes Invoice roll-up summary fields.
- D. The invoice must have at least one Master-Detail field for reporting.
Correct Answer: C 🗳️
What is a true statement in regard to creating custom report types?
- A. The detail object in a master-detail relationship cannot be added as a secondary object on a custom report type
- B. When the primary object is a custom object and is deleted, then the report type and any reports created from it must be deleted manually
- C. Once a report type is saved with a standard or custom primary object, the primary object cannot be changed for the report type
- D. Any object can be chosen unless the object is not visible to the person creating the report type through security settings
Correct Answer: C 🗳️
The Training team at UVC uses a custom Training object to track their customer trainings. An App Builder needs to create a relationship between the Training object and the related Student's record. A private sharing model is in place for both Students and Training. Which two statements are true when creating a Student lookup field on the Training object? Choose 2 answers
- A. On Student Record, users can set up Roll-up summary fields on Training records
- B. On Training record, users can only delete students, if they have access to it
- C. Cross-object field updates between Training and Student records are not supported
- D. On Training record, the Student Lookup field can be made optional
Correct Answer: B,D 🗳️
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