The correct trigger is “When a file is created (OneDrive for Business)” because it directly monitors a specified OneDrive for Business folder for new file additions, using the OneDrive for Business connector and the Microsoft Graph API to fire only on creation events—not modifications. This is the precise trigger for the scenario because the requirement explicitly calls for a OneDrive for Business location, and other triggers like “When a file is modified” or SharePoint-based triggers would not match the folder type or the creation-only condition. On the PL-900 exam, this question tests your ability to match the correct trigger to the specific service and event, often with a trap where a SharePoint trigger is offered as a distractor when OneDrive for Business is clearly stated. A simple memory tip: “OneDrive for Business, file created—think ‘new file, new trigger, same service.’”
PL-900 Practice Question: Demonstrate the capabilities of Power Automate
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.
You need to create a flow that sends an email notification when a new file is added to a OneDrive for Business folder. Which trigger should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
When a file is created (OneDrive for Business)
Option C is correct because the requirement specifies a OneDrive for Business folder, and the 'When a file is created (OneDrive for Business)' trigger is the only one that directly monitors a OneDrive for Business location for new file additions. This trigger uses the OneDrive for Business connector, which is designed to work with the Microsoft Graph API for OneDrive for Business, and it fires specifically when a new file is created, not modified.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
When a file is created (SharePoint)
Why it's wrong here
SharePoint trigger is for SharePoint libraries, not OneDrive.
✗
When a file is modified (OneDrive for Business)
Why it's wrong here
This trigger fires on modification, not creation.
✓
When a file is created (OneDrive for Business)
Why this is correct
This trigger fires when a new file is added to OneDrive for Business.
Related concept
Read the scenario before looking for a memorised answer.
✗
When a file is created (OneDrive)
Why it's wrong here
'OneDrive' refers to consumer OneDrive, not OneDrive for Business.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the 'OneDrive' and 'OneDrive for Business' connectors, assuming they are interchangeable, but they target different services with different authentication and API scopes.
Detailed technical explanation
How to think about this question
Under the hood, the OneDrive for Business connector uses the Microsoft Graph API's delta query to detect new files in a specified folder, polling for changes rather than using webhooks in some cases. A subtle behavior is that the trigger can be configured to monitor a specific folder or all folders, and it may have a latency of up to a few minutes depending on the flow's polling interval. In a real-world scenario, if an organization uses both OneDrive for Business and SharePoint, selecting the wrong trigger could lead to flows that never run or run on the wrong events, causing missed notifications or unnecessary processing.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Demonstrate the capabilities of Power Automate — This question tests Demonstrate the capabilities of Power Automate — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: When a file is created (OneDrive for Business) — Option C is correct because the requirement specifies a OneDrive for Business folder, and the 'When a file is created (OneDrive for Business)' trigger is the only one that directly monitors a OneDrive for Business location for new file additions. This trigger uses the OneDrive for Business connector, which is designed to work with the Microsoft Graph API for OneDrive for Business, and it fires specifically when a new file is created, not modified.
What should I do if I get this PL-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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