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ABOUT THE EXAM
The Salesforce Certified Platform Developer I test has the following characteristics:
 Content: 60 multiple-choice/multiple-select questions
 Time allotted to complete the exam: 110 minutes
 Passing Score: 65%

The Salesforce Certified Platform Developer I test is intended for an individual who has
experience developing and deploying basic business logic and user interfaces using the
programmatic capabilities of the Lightning Platform- including practical application of the
skills and concepts noted in the test objectives below.
The Salesforce Certified Platform Developer I generally has one to two years of experience as
a developer and at least six months of experience on the Lightning Platform.
The Salesforce Certified Platform Developer I candidate has the experience- skills- and
knowledge outlined below:
 Can use the fundamental programmatic capabilities of the Lightning Platform to
develop custom interfaces to extend Salesforce capabilities and develop custom
business logic.
 Can extend the Lightning Platform using Apex and Visualforce- and understands
Lightning Components.
 Is familiar with- and able to leverage relevant declarative capabilities of the platform-
where appropriate.
 Knows when to use declarative vs. programmatic methods.
 Is familiar with the development lifecycle from development to testing- and has
knowledge of the available environments.
 Is familiar with the Salesforce Mobile app capabilities and the basics of the Lightning
framework.
 Knows when to use the Lightning Process Builder vs. an Apex trigger.
 Has experience with object-oriented languages such as Java- JavaScript- C#- Ruby-
and .NET.
 Has experience with data-driven applications and relational databases.
 Has experience with Model View Controller (MVC) architecture and componentbased architecture.
 Has invested time in studying the resources listed in this test guide and the
additional required study materials provided by Salesforce.

EXAM OUTLINE
The Salesforce Certified Platform Developer I test measures a candidates knowledge and
skills related to the following objectives. A candidate should have hands-on experience
developing custom applications on the Lightning Platform and have demonstrated the
application of each of the features/functions below.

SALESFORCE FUNDAMENTALS
 Describe the considerations when developing in a multi-tenant environment.
 Describe how the Salesforce platform features map to the MVC pattern.
 Describe the capabilities of the core CRM objects in the Salesforce schema.
 Identify the common scenarios for extending an application's capabilities using
the AppExchange.
 Identify common use cases for declarative customization of the Lightning
Platform- and customization and features of the Heroku platform.

DATA MODELING AND MANAGEMENT
 Given a set of requirements- determine the appropriate data model.
 Describe the capabilities of the various relationship types and the implications
of each on record access- user interface (UI)- and object-oriented
programming.
 Describe the impact of schema design and modifications on Apex
Development.
 Describe how to visualize and create entity relationships.
 Describe the options for and considerations when importing and exporting
data into development environments.

LOGIC AND PROCESS AUTOMATION
 Describe how to programmatically access and utilize the object schema.
 Describe the capabilities and use cases for formula fields.
 Describe the capabilities and use cases for roll-up summary fields.
 Describe the capabilities of the declarative process automation features.
 Describe when to use declarative automation features vs. Apex classes and
triggers.
 Describe how to declare variables and constants in Apex and how to assign
values using expressions.
 Describe the primitive and complex Apex data types and when to use them.
 Describe how to use and apply Apex control flow statements.
 Describe how to write and when to use Apex classes and interfaces.
 Describe how to use basic SOSL- SOQL- and DML statements when working
with objects in Apex.
 Describe the basic patterns used in triggers and classes to process data
efficiently.
 Describe when to use and how to write triggers.
 Describe the implications of governor limits on Apex transactions.
 Describe the relationship between Apex transactions- the save order of
execution- and the potential for recursion and/or cascading.
 Describe how to implement exception handling in Apex.
 Describe how to write Visualforce controllers.
 Describe when and how to use standard Visualforce controllers vs. Apex
custom controllers and controller extensions.
 Describe the programmatic techniques to prevent security vulnerabilities in
Apex and Visualforce.
 Describe how Apex impacts the ability to make declarative changes.

USER INTERFACE
 Describe how to display Salesforce data using a Visualforce page.
 Describe the types of web content that can be incorporated into Visualforce
pages.
 Describe how to incorporate Visualforce pages into Lightning Platform
applications.
 Describe the benefits of the Lightning Component framework.
 Describe the resources that can be contained in a Lightning Component.

TESTING
 Describe the testing framework and requirements for deployment.
 Describe how to write unit tests for triggers- controllers- and classes.
 Describe when and how to use various sources of test data.
 Describe how to execute one or multiple test classes.
 Describe the differences between invoking Apex in execute anonymous vs. unit
tests.

DEBUG AND DEPLOYMENT TOOLS
 Describe how to monitor and access various types of debug logs.
 Describe the capabilities and security implications of the Developer Console-
Workbench- and Force.com IDE.
 Describe the different processes for deploying metadata and business data.
 Describe how the different environments are used in the development and
deployment process.