PDI Study Materials: Platform Developer I (PDI) & PDI Certification Training

Salesforce Platform Developer I (PDI) - PDI certification

Exam Code: PDI

Exam Name: Platform Developer I (PDI)

Updated: Aug 30, 2026

Q & A: 187 Questions and Answers

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About Salesforce Platform Developer I (PDI) - PDI exam dumps

PDI Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Salesforce PDI exam dumps will include the following topics:

  • Salesforce Fundamentals 10%
  • Debug and Deployment Tools 10%
  • Data Modeling and Management 12%
  • User Interface 10%
  • Logic and Process Automation 46%
  • Testing 12%

PDF version, Soft version, APP version

PDI certification training materials have three different formats with same questions and answers. Users can choose the suited version as you like. PDF version of PDI training materials is familiar by most learners. You can read it on any device or print out as paper files. If you like studying and noting on paper, PDF version of PDI study materials: Platform Developer I (PDI) is the right option for you. Soft version & APP version have similar functions such as simulating the real exam scene. The difference is that soft version of PDI certification training is only used on windows & Java system, the app version is available for all devices. You can use both of them without any use limitation of time, place or the number of times.

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PDI Exam Reference

Reference: https://trailheadacademy.salesforce.com/certificate/exam-platform-dev1---Plat-Dev-201

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Platform Developer I (PDI) Exam

Platform Developer I (PDI) Exam is related to Salesforce Certified Platform Developer I Certification. This exam validates the Candidate knowledge and skills in building custom applications on the Lightning Platform. It also deals with the ability of the Lightning Platform to develop custom business logic and interfaces to extend Salesforce using Apex and Visualforce.

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Who should take the PDI Exam

Salesforce Certified Platform Developer I certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as a Salesforce Certified Platform Developer I. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Salesforce PDI Exam provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass the Salesforce PDI Exam then he should take this exam.

Salesforce PDI Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Salesforce Fundamentals10%- Describe the declarative configuration options available to customize the UI
- Given a scenario, identify the appropriate field type
- Design the data model based on business requirements
- Describe the capabilities of the core CRM objects in Salesforce
- Describe the capabilities of the Salesforce UI/Lightning Experience
- Identify the appropriate use case for a custom visualforce versus a standard Lightning component
- Describe the capabilities of the relationship types
Topic 2: Process Automation and Logic26%- Describe the capabilities of Apex and the programmatic capabilities of the Lightning Platform
- Describe the capabilities and use cases for VisualFlow
- Describe the features of the Governor Limits and describe how to write efficient Apex code
- Given a scenario, describe when and how to use Apex transaction control
- Describe the capabilities and use cases for Apex managed sharing
- Describe the key attributes of an Apex class
- Describe the syntax of Apex classes and triggers
- Describe the features of the Salesforce exception handling mechanism
- Describe the features of the sObject and Apex common library
- Given a scenario, describe when and how to use formula fields, roll-up summary fields, and process automation features
- Describe the capabilities and use cases for the Lightning Flow
Topic 3: Lightning Platform Architecture15%- Describe the Salesforce lifecycle and explain how updates and new features are delivered
- Describe the capabilities and use cases for the Lightning Framework and event-driven architecture
- Describe the architectural considerations when building Lightning components
- Describe the Lightning Platform architecture and explain the MVC design pattern
Topic 4: Testing, Debugging, and Deployment14%- Describe the testing requirements for Salesforce and describe the use cases for various testing tools
- Given a scenario, identify appropriate tools for debugging and monitoring errors
- Describe the use cases for Salesforce Edge and when to use sandbox vs. production environments
- Describe the capabilities and use cases for the Salesforce CLI and Developer Console
- Describe the capabilities of Salesforce metadata and describe the use cases for change set deployment and package-based deployment
- Describe the frameworks and best practices for writing Apex code
Topic 5: Integration10%- Describe the capabilities and use cases for REST API and Batch API
- Describe the capabilities and use cases for Apex web services and callouts
- Describe the capabilities of the Salesforce OAuth framework
- Describe when and how to use Salesforce Connect/External Objects
Topic 6: User Interface13%- Given a scenario, describe how to expose Apex methods as Lightning Component events
- Describe how to use Salesforce standard events and custom events
- Describe the capabilities and use cases for lightning web components
- Describe the differences between and use cases for Visualforce and Lightning components
- Describe the programmatic capabilities of Visualforce and Lightning Component frameworks
Topic 7: Data Modeling and Management12%- Describe the options for and considerations when importing and exporting data
- Given a set of business requirements, design and implement a schema for custom objects and relationships
- Describe the capabilities and use cases for external objects

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