SALESFORCE-PD1 User Interface Practice Question
A developer is configuring a Lightning Web Component that uses the Lightning Message Service (LMS). Which module must be imported to publish a message on a message channel?
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
✓
lightning/messageService
publish function and the message channel reference are imported from lightning/messageService and the channel definition file respectively.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
lightning/uiRecordApi
Why it's wrong here
Used for record data.
- ✗
lightning/empApi
Why it's wrong here
Used for Streaming API (Platform Events/PushTopics).
- ✗
lightning/navigation
Why it's wrong here
Used for navigation.
- ✓
lightning/messageService
Why this is correct
Provides publish, subscribe, and release functions for LMS.
About these practice questions
This SALESFORCE-PD1 question is part of Courseiva's 493-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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.