SALESFORCE-PD1 User Interface Practice Question
A developer is building a Lightning Web Component and needs to dispatch a custom event. Which constructor should be used to create the event?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
CustomEvent
CustomEvent is the standard browser constructor used to create custom events in LWC.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Event
Why it's wrong here
CustomEvent is preferred because it allows passing detail data.
- ✗
AuraEvent
Why it's wrong here
Used in Aura.
- ✓
CustomEvent
Why this is correct
Standard constructor for custom events carrying detail payloads.
- ✗
LightningEvent
Why it's wrong here
Not a valid constructor.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Salesforce exam blueprint
This SALESFORCE-PD1 practice question is part of Courseiva's free Salesforce certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SALESFORCE-PD1 exam.