Question 483 of 976

Demonstrate the capabilities of Power Automate →hardMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is that the trigger body does not include the 'email' property when invoked. This error occurs because the manual trigger’s schema defines 'email' as a required property, so when the flow runs without that value being passed in the trigger payload, the subsequent Send_an_email action’s expression resolves to null, triggering the “required property” error. On the Microsoft Power Platform Fundamentals PL-900 exam, this scenario tests your understanding of how trigger schemas enforce data contracts and how missing properties cascade into runtime failures—a common trap is assuming the action or schema itself is broken. Remember the memory tip: “If the trigger expects it, the payload must deliver it—or the flow will shiver.”

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. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.

Exhibit

{
  "definition": {
    "triggers": {
      "manual": {
        "type": "Request",
        "kind": "Http",
        "inputs": {
          "schema": {
            "properties": {
              "email": {
                "type": "string"
              }
            },
            "required": [
              "email"
            ]
          }
        }
      }
    },
    "actions": {
      "Send_an_email": {
        "runAfter": {},
        "type": "ApiConnection",
        "inputs": {
          "host": {
            "connectionName": "shared_office365"
          },
          "apiVersion": "1.0",
          "method": "post",
          "path": "/v1.0/mail/me/sendMail",
          "body": {
            "Message": {
              "Subject": "Hello",
              "Body": {
                "ContentType": "Text",
                "Content": "Test"
              },
              "ToRecipients": [
                {
                  "EmailAddress": {
                    "Address": "@triggerBody()?['email']"
                  }
                }
              ]
            }
          }
        }
      }
    }
  }
}

Refer to the exhibit. A Power Automate flow is defined with a manual trigger expecting an email property. When the flow is run, it fails with an error that the email address cannot be empty. What is the most likely cause?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1hardmultiple choice

Full question →

Exhibit

{
  "definition": {
    "triggers": {
      "manual": {
        "type": "Request",
        "kind": "Http",
        "inputs": {
          "schema": {
            "properties": {
              "email": {
                "type": "string"
              }
            },
            "required": [
              "email"
            ]
          }
        }
      }
    },
    "actions": {
      "Send_an_email": {
        "runAfter": {},
        "type": "ApiConnection",
        "inputs": {
          "host": {
            "connectionName": "shared_office365"
          },
          "apiVersion": "1.0",
          "method": "post",
          "path": "/v1.0/mail/me/sendMail",
          "body": {
            "Message": {
              "Subject": "Hello",
              "Body": {
                "ContentType": "Text",
                "Content": "Test"
              },
              "ToRecipients": [
                {
                  "EmailAddress": {
                    "Address": "@triggerBody()?['email']"
                  }
                }
              ]
            }
          }
        }
      }
    }
  }
}

A
The email subject is not provided.
Why wrong: Subject is hardcoded.
B
The trigger schema is invalid because it requires a property.
Why wrong: Schema is valid.
C
The trigger body does not include the 'email' property when invoked.
If email is missing, the expression returns null.
D
The Send_an_email action is missing the 'To' parameter.
Why wrong: It uses ToRecipients.

Full breakdown with real-world context →

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

✓

The trigger body does not include the 'email' property when invoked.

Option C is correct because the trigger schema defines 'email' as required, but the Send_an_email action uses an expression that may resolve to null if the trigger body does not contain the email. Option A is wrong because the schema is valid. Option B is wrong because the action is correctly configured. Option D is wrong because the subject is not the issue.

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.

✗
The email subject is not provided.
Why it's wrong here
Subject is hardcoded.
✗
The trigger schema is invalid because it requires a property.
Why it's wrong here
Schema is valid.
✓
The trigger body does not include the 'email' property when invoked.
Why this is correct
If email is missing, the expression returns null.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The Send_an_email action is missing the 'To' parameter.
Why it's wrong here
It uses ToRecipients.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
Use explanations to understand the rule behind the answer.

TExam Day Tips

Underline the problem statement mentally.
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 PL-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

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FAQ

Questions learners often ask

What does this PL-900 question test?

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: The trigger body does not include the 'email' property when invoked. — Option C is correct because the trigger schema defines 'email' as required, but the Send_an_email action uses an expression that may resolve to null if the trigger body does not contain the email. Option A is wrong because the schema is valid. Option B is wrong because the action is correctly configured. Option D is wrong because the subject is not the issue.

What should I do if I get this PL-900 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Same concept, more angles

1 more ways this is tested on PL-900

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. Refer to the exhibit. A Power Automate flow definition is shown. The flow is supposed to trigger when a high-importance email with attachments arrives in the inbox, and then send a notification email to support. However, the flow does not trigger for emails that have attachments but are not marked as high importance. What is the most likely reason?

medium

A.The folder path is set to 'Inbox' but the email was moved to a different folder.
B.The trigger requires attachments, so emails without attachments are ignored.
✓ C.The importance filter is set to 'High', so lower importance emails are ignored.
D.The trigger is set to 'When a new email arrives' but the email is already read.

Why C: Option D is correct because the trigger parameters include 'importance': 'High', so only emails with high importance trigger the flow. If the email has attachments but is not high importance, the flow will not trigger. Option A is wrong because the trigger is for new emails. Option B is wrong because attachments are set to 'true', so they are required. Option C is wrong because the folder path is 'Inbox'.

Last reviewed: Jun 21, 2026

Question Discussion

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