SALESFORCE-PD1 User Interface Practice Question
A developer is building a Lightning Web Component and needs to listen to a custom event dispatched by a child component. How is the event listener attached in the parent HTML template?
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
✓
onmyevent={handler}
Child events are listened to using on<eventname> attribute syntax in the parent template.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
onmyevent={handler}
Why this is correct
Standard LWC syntax for listening to custom events (lowercased event name).
- ✗
event-myevent={handler}
Why it's wrong here
Incorrect syntax.
- ✗
on-myevent={handler}
Why it's wrong here
Incorrect syntax (used in older frameworks).
- ✗
listener={handler}
Why it's wrong here
Incorrect syntax.
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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.