A free demo to start, 365 days of updates, a clearly stated money-back policy, and 24/7 customer support: ActualCollection wraps the entire Salesforce Platform Developer I (PDI) preparation journey into one purchase. In 2026, that is what one-stop PDI prep looks like.
Salesforce PDI Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Developer I |
| Exam Number: | PDI |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | Simplified Chinese, Spanish, Japanese, English, Portuguese (Brazil), German |
| Exam Duration: | 105 minutes |
| Certificate Validity Period: | 2 years |
| Exam Price: | $200 USD |
| Real Exam Qty: | 60 |
| Related Certifications: | Application Architect System Architect Platform Developer II (PDII) |
| Passing Score: | 68% |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored (PSI) or in-person testing center |
| Pre Condition: | None required. It is recommended to have 1-2 years of hands-on experience with the Salesforce platform before attempting the exam. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platform-developer-one |
Salesforce PDI Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Testing, Debugging, and Deployment | 14% | - Describe the capabilities and use cases for the Salesforce CLI and Developer Console - Describe the use cases for Salesforce Edge and when to use sandbox vs. production environments - Describe the frameworks and best practices for writing Apex code - 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 capabilities of Salesforce metadata and describe the use cases for change set deployment and package-based deployment |
| Integration | 10% | - Describe the capabilities of the Salesforce OAuth framework - Describe the capabilities and use cases for Apex web services and callouts - Describe when and how to use Salesforce Connect/External Objects - Describe the capabilities and use cases for REST API and Batch API |
| Lightning Platform Architecture | 15% | - Describe the architectural considerations when building Lightning components - Describe the Lightning Platform architecture and explain the MVC design pattern - 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 |
| User Interface | 13% | - Describe the capabilities and use cases for lightning web components - Describe the programmatic capabilities of Visualforce and Lightning Component frameworks - Describe how to use Salesforce standard events and custom events - Describe the differences between and use cases for Visualforce and Lightning components - Given a scenario, describe how to expose Apex methods as Lightning Component events |
| Process Automation and Logic | 26% | - Given a scenario, describe when and how to use formula fields, roll-up summary fields, and process automation features - Describe the features of the sObject and Apex common library - Describe the capabilities and use cases for Apex managed sharing - Describe the capabilities of Apex and the programmatic capabilities of the Lightning Platform - Describe the key attributes of an Apex class - Describe the capabilities and use cases for the Lightning Flow - Describe the syntax of Apex classes and triggers - 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 VisualFlow - Describe the features of the Salesforce exception handling mechanism |
| Salesforce Fundamentals | 10% | - Describe the capabilities of the relationship types - Design the data model based on business requirements - Describe the declarative configuration options available to customize the UI - Given a scenario, identify the appropriate field type - Describe the capabilities of the Salesforce UI/Lightning Experience - Describe the capabilities of the core CRM objects in Salesforce - Identify the appropriate use case for a custom visualforce versus a standard Lightning component |
| Data Modeling and Management | 12% | - Given a set of business requirements, design and implement a schema for custom objects and relationships - Describe the options for and considerations when importing and exporting data - Describe the capabilities and use cases for external objects |
PDI (Salesforce) Exam FAQs: What Candidates Ask Most
Salesforce Platform Developer I (PDI) is an official Salesforce exam, registered under the code PDI. A passing score earns you the Salesforce PDI certification, positioned at the Associate / Beginner level. The credential also connects to Platform Developer II (PDII), Application Architect, System Architect, so it can anchor a broader certification path. Because Salesforce designs its exams around real job tasks, holding this certification signals practical skill rather than memorized theory.
Candidates face 60 questions inside a 105 minutes window on the Salesforce Platform Developer I (PDI) exam. That ratio leaves little slack, which is why pacing deserves as much practice as the content itself. Learn to budget your minutes, park stubborn questions instead of wrestling them, and rehearse under a real clock: a few timed runs in the ActualCollection test engine will make the official time limit feel routine rather than threatening.
The passing bar for Salesforce Platform Developer I (PDI) is set at 68%, and registering for the exam officially costs $200 USD. There is no reduced price for a second try: fail, and you pay $200 USD in full again. That makes honest self-testing the cheapest insurance available, so hold off on booking until your ActualCollection practice scores sit clearly above the passing line, attempt after attempt.
None required. It is recommended to have 1-2 years of hands-on experience with the Salesforce platform before attempting the exam.
Vendor policies are revised from time to time, so double-check the eligibility details before registering on the official exam page.
Absolutely. A free PDF demo of the Salesforce Platform Developer I (PDI) questions is available at ActualCollection, so you can inspect the quality and formatting before any money changes hands. Once you buy, updates are free for 365 days, and when that period runs out you can extend the update service at 50% off the regular price.
ActualCollection offers a 100% money-back guarantee with specific conditions. If you take the Salesforce Platform Developer I (PDI) exam within 60 days of purchase and fail, you may claim a full refund, provided the exam matches your product. Sitting the exam within 3 days of purchase disqualifies a claim, as do downloaded-but-unused products, free materials, and expired orders; the candidate name must also match the payer name. To file, submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the claim is processed within 7 days. If you prefer, you can skip the refund and instead receive two other exam products of equal value at no charge while keeping the update service on your original purchase.
As for delivery: it is immediate. Your files become downloadable the moment payment completes and are also emailed to you within one minute. If nothing shows up within 2 hours, contact customer service. You may install the software on an unlimited number of computers.
Salesforce Platform Developer I (PDI) is divided into 7 official domains. Among the headline areas are Integration (10%), Testing, Debugging, and Deployment (14%), and User Interface (13%). Scroll up to the exam topics section for the full breakdown, and use it as a checklist: any line you cannot confidently explain deserves another round of practice.
Salesforce Platform Developer I (PDI) Sample Questions:
When using Salesforce DX, what does a developer need to enable to create and manage scratch orgs?
- A. Environment Hub
- B. Production
- C. Sandbox
- D. Dev Hub
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
Universal Containers wants Opportunities to no longer be editable when it reaches the Closed/Won stage.
Which two strategies can a developer use to accomplish this?
- A. Use an auto-response rule.
- B. Use an automatically launched Approval Process.
- C. Use a before-save Apex trigger.
- D. Use a validation rule.
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
Refer to the following Apex code:
Integer x = 0;
do{
x = x + 1;
x++;
} while (x < 1);
System.debug(x);
What is the value of x when it is written to the debug log?
- A. 3
- B. 1
- C. 4
- D. 2
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
Given the following Apex statement: Account myAccount = [SELECT Id, Name FROM Account]; What occurs when more than one Account is returned by the SOQL query?
- A. The variable, myAccount, is automatically cast to the List data type.
- B. The first Account returned is assigned to myAccount.
- C. An unhandled exception is thrown and the code terminates.
- D. The query fails and an error is written to the debug log.
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
A company decides to implement a new process where every time an Opportunity is created, a follow up Task should be created and assigned to the Opportunity Owner.
What is the most efficient way for a developer to implement this?
- A. Auto-launched flow on Task
- B. Record-triggered flow on Opportunity
- C. Apex trigger on Task
- D. Task actions
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
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