Quick Answer
The answer is the “When a new response is submitted” trigger. This is the correct choice because it is the dedicated Microsoft Forms connector trigger in Power Automate, designed to fire instantly the moment a respondent completes and submits a survey. Unlike generic triggers or those for Forms Pro, this specific trigger captures the response data—such as the respondent’s email and answers—which you can then use to dynamically personalize a thank-you email. On the PL-900 exam, this question tests your understanding of the standard Forms connector versus premium connectors, and a common trap is selecting “When a response is submitted” from the Forms Pro connector, which requires a license. Remember the memory tip: “New response, new email—standard Forms keeps it simple.” This trigger is the foundational building block for automating follow-ups in the Power Platform, and knowing it cold will help you quickly eliminate distractors on the exam.
This PL-900 practice question tests your understanding of demonstrate the capabilities of power automate. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A user wants to create a flow that automatically sends a thank-you email when a customer fills out a Microsoft Forms survey. Which trigger should the user select?
When a response is submitted (Forms Pro)
Why wrong: This is for Forms Pro, not standard Forms.
When an item is created or modified
Why wrong: This is for SharePoint, not Forms.
When a new email arrives
Why wrong: This is for email triggers.
When a new response is submitted
This trigger fires on new form submission.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
When a new response is submitted
The correct trigger is 'When a new response is submitted' because it is the standard Microsoft Forms connector trigger that fires immediately when a survey response is submitted. This trigger is specifically designed for Microsoft Forms (not Forms Pro) and provides the response data needed to send a personalized thank-you email via Power Automate.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
When a response is submitted (Forms Pro)
Why it's wrong here
This is for Forms Pro, not standard Forms.
When an item is created or modified
Why it's wrong here
This is for SharePoint, not Forms.
When a new email arrives
Why it's wrong here
This is for email triggers.
When a new response is submitted
Why this is correct
This trigger fires on new form submission.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse the standard Forms trigger with the Forms Pro trigger, assuming 'Forms Pro' is the same as 'Forms', but Microsoft distinguishes them as separate connectors with different licensing and capabilities.
Detailed technical explanation
Under the hood, the 'When a new response is submitted' trigger uses the Microsoft Forms connector to poll for new responses via the Forms API. It returns a response ID and form data, which can be used in subsequent actions like 'Send an email (V2)' to dynamically populate the email body with the respondent's answers. In a real-world scenario, this trigger is ideal for automating customer follow-ups, but note that it only fires for new responses, not edits to existing ones.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Demonstrate the capabilities of Power Automate — This question tests Demonstrate the capabilities of Power Automate — Read the scenario before looking for a memorised answer..
The correct answer is: When a new response is submitted — The correct trigger is 'When a new response is submitted' because it is the standard Microsoft Forms connector trigger that fires immediately when a survey response is submitted. This trigger is specifically designed for Microsoft Forms (not Forms Pro) and provides the response data needed to send a personalized thank-you email via Power Automate.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This PL-900 practice question is part of Courseiva's free Microsoft 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 PL-900 exam.
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