Declarative Development for Platform App Builders (Dex 402) Beginner
Declarative Development for Platform App Builders (DEX402) by Salesforce equips administrators, app builders, and consultants with advanced skills to design, automate, and deploy custom applications using declarative tools—no coding required. It solves the critical pain point of extending Salesforce functionality beyond standard administration, enabling rapid app development to meet dynamic business needs. With over 170,000 certified Platform App Builders globally, demand for these roles continues to grow across industries leveraging Salesforce.
This course prepares you for the Salesforce Certified Platform App Builder credential, enhancing your ability to design scalable, secure, and efficient applications. Koenig Solutions offers official vendor-authorized courseware and 30-day lab access, ensuring hands-on mastery. Completing this training positions you to drive digital transformation and accelerate career advancement in the Salesforce ecosystem.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The Declarative Development for Platform App Builders (DEX402) course by Salesforce is designed for professionals preparing for the Salesforce Certified Platform App Builder exam, a credential highly sought after by organizations leveraging the Salesforce ecosystem. This course is ideal for Salesforce Administrators, Platform App Builders, and Business Analysts who aim to design and build custom applications using declarative tools. With over 150,000 certified professionals globally and widespread adoption across industries, the Platform App Builder certification validates expertise in low-code development on the Lightning Platform, making it a critical asset for roles focused on CRM customization and business process automation.
Participants in the DEX402 course gain hands-on experience with core Salesforce tools including Lightning App Builder, Process Builder, Flow, and Change Sets within a dedicated Salesforce Developer Org. Through guided labs, students configure custom objects, design data models with master-detail and lookup relationships, implement validation rules, and build record-triggered and screen flows to automate real-world business processes. The curriculum emphasizes practical deployment strategies using sandboxes and change sets, ensuring learners master the full lifecycle from development to production release. A key project involves building a fully functional Salesforce application from scratch, integrating user interface components, data management, and automation to solve complex business scenarios.
By completing the Declarative Development for Platform App Builders (DEX402) course, candidates are thoroughly prepared for the Salesforce Certified Platform App Builder credential, recognized globally for its rigor and industry relevance. Certified professionals report average salaries ranging from $80,000 to $120,000 annually, with higher earnings for those with additional certifications. Koenig Solutions enhances this learning journey with Guaranteed-to-Run batches and 1-on-1 training options, ensuring personalized attention and mastery of official Salesforce courseware. Earning this certification opens pathways to advanced roles such as Salesforce Consultant or Developer, empowering professionals to lead digital transformation initiatives in enterprise environments.
What You'll Learn
Prerequisites
- Salesforce Certified Administrator certification or equivalent experience is recommended for the Declarative Development for Platform App Builders (Dex 402) course by Salesforce
- At least six months of practical Salesforce administration experience is advised to grasp the concepts effectively
- Experience configuring page layouts, fields, and custom objects declaratively helps learners build custom Salesforce apps
- Knowledge of workflow rules, process builder, and approval processes enables efficient automation within Salesforce
- Understanding data modeling, including relationship types and roll-up summary fields, is essential for effective app development
- Familiarity with security and sharing settings, such as profiles and permission sets, ensures data protection and proper access control
Certification Exam
Everything you need to know about the DEX402 certification exam
Course Curriculum
Structured learning with hands-on labs and real-world scenarios
1
Day 1– Mastering Data Modeling in Declarative Development for Platform App Builders (Dex 402)
2
Day 2– Optimizing User Interfaces with Salesforce Declarative Development for Platform App Builders (Dex 402)
3
Day 3– Automating Business Logic via Declarative Development for Platform App Builders (Dex 402)
4
Day 4– Securing Data in Declarative Development for Platform App Builders (Dex 402)
5
Day 5– Deploying Solutions with Declarative Development for Platform App Builders (Dex 402)
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Official Courseware
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of DEX402 certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the DEX402 certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Certified Salesforce App Builder
- Salesforce Consultant
- CRM Functional Consultant
- Salesforce Business Analyst
- Low-Code Application Developer
- Salesforce Platform Specialist
Companies Hiring
and 5,000+ organizations worldwide seeking DEX402 certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
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“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
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AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Happiness Guarantee
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