PL-900 Trigger Practice Question
A company wants to automatically send an email notification when a new file is added to a SharePoint document library. Which type of trigger should be used in Power Automate?
⚠ Common exam trap
The trap is confusing the roles of trigger, action, connector, and condition — candidates who haven't built flows may pick 'connector' because it sounds like the thing that connects to SharePoint, missing that the trigger is the initiating 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
✓
A trigger
In Power Automate, a trigger is the event that starts a flow — for example, 'When a file is created in a folder' in SharePoint. The requirement is to start an automated process when a new file is added, which is precisely the definition of a trigger. The SharePoint connector provides a 'When a file is created (properties only)' trigger that fires on file creation in a document library.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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A condition
Why it's wrong here
A condition evaluates data inside a running flow, so it cannot start one when a file appears; it only branches execution after a trigger fires. It is tempting because conditions control whether notifications send, but the SharePoint 'when a file is created' trigger must fire first.
- ✓
A trigger
Why this is correct
A trigger is the event that starts a flow; the SharePoint 'When a file is created (properties only)' trigger fires on new items in a document library, satisfying the automatic-notification requirement without polling or a scheduled recurrence.
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A connector
Why it's wrong here
A connector is the wrapper giving access to SharePoint or Outlook operations; it is not itself a trigger. It is tempting because the SharePoint connector supplies the trigger and the Outlook connector supplies the send action, but the question asks which trigger type starts the flow.
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An action
Why it's wrong here
An action performs a task after a flow has started, such as sending the email, and cannot initiate execution when a file is added. It is tempting because the notification itself is an action, yet the stem asks what starts the flow, which is the SharePoint trigger.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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.