Microsoft Power Platform Developer (PL-400) Exam Practice Questions & Study Guide 2026

Question 1

You are developing a model-driven app using JavaScript. You need to configure the app to display a dialog box when a form is opened or when a grid on a form is sorted. What should you use? 

A. Grid OnSave  
B. Grid OnRecordSelect  
C. Grid OnChange  
D. Subgrid OnLoad  

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Question 2

A company is testing a Microsoft Dataverse plug-in in an environment. The plug-in works in postoperationmode and performs the update of the Account entity.During testing, a user observes that the plug-in unintentionally triggers a synchronous third-party ISVplug-in. You need to modify the system design to avoid unwanted triggering of the third-party plug-in.What should you do? 

A. Disable the existing third-party plug-in by using the Plug-in Registration Tool.  
B. Use UpdateRequest with the BypassCustomPluginExecution parameter and Execute method of the Organization service. 
C. Update the code of the third-party ISV plug-in to ignore updates caused by the new plug-in.  
D. Update the code of the new plug-in to use InputParameters of Plugin Execution Context. 

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Question 3

You are creating a canvas app to retrieve user sign in information from Microsoft Entra ID when someone searches for information about an end user. You create an Azure Function to retrieve the required information by using JSON. You need to ensure that the application functions correctly. Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point. 

A. Use Azure Service Bus.  
B. Use app designer in the Power Platform admin center.  
C. Create a custom connector by using the Azure Function API  
D. Create a Power Automate flow to import data.  
E. Create an API definition for the Azure Function. 

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Question 4

A company designs data integration with an external system by using virtual tables. You need to implement the virtual tables. Solution: Use a table that has a GUID as its primary key. Does the solution meet the goal? 

A. Yes  
B. No  

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Question 5

A company designs data integration with an external system by using virtual tables. You need to implement the virtual tables. Solution: Create a calculated column on the virtual table. Does the solution meet the goal? 

A. Yes  
B. No  

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Question 6

A company designs data integration with an external system by using virtual tables. You need to implement the virtual tables. Solution: Implement an OData v4 provider as the data source. Does the solution meet the goal? 

A. Yes  
B. No  

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Question 7

Note: This question is part of a series of questions that present the same scenario. Each question inthe series contains a unique solution that might meet the stated goals. Some question sets mighthave more than one correct solution, while others might not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As a result, thesequestions will not appear in the review screen.You are designing a one-way integration from Microsoft Dataverse to another system.You must use an Azure Function to update the other system. The integration must send only newlycreated records to the other system. The solution must support scenarios where a component of theintegration is unavailable for more than a few seconds to avoid data loss.You need to design the integration solution.Solution: Register a webhook in the Dataverse instance that connects to the Azure Function. Registera step on the webhook which runs synchronously on the record's Create message and in the postoperation stage.Does the solution meet the goal?

A. Yes 
B. No 

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Question 8

You create a custom API. You define the API as a function.The custom API does not appear in the response received from https:/ [yourorg].api.crm.dynamics.com/api/data/v9.2/$metadata and returns an error when called.You need to identify why the custom API is not working.What should you do?

A. Add a response property to the custom API. 
B. Set the Is Private property of the custom API to False. 
C. Add a request property to the custom API. 
D. Set the Enabled for Workflow option of the customer API to True. 

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Question 9

Note: This question is part of a series of questions that present the same scenario. Each question inthe series contains a unique solution that might meet the stated goals. Some question sets mighthave more than one correct solution, while others might not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As a result, thesequestions will not appear in the review screen.A company requires custom validation when users save form records that use a synchronous plug-in.If validation fails, a message that explains how to resolve the issue must be displayed on the form tothe user.You need to implement the custom validation.Solution: Include the message in the output parameters of the plug-in.Does the solution meet the goal?

A. Yes 
B. No 

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Question 10

Note: This question is part of a series of questions that present the same scenario. Each question inthe series contains a unique solution that might meet the stated goals. Some question sets mighthave more than one correct solution, while others might not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As a result, thesequestions will not appear in the review screen.A company requires custom validation when users save form records that use a synchronous plug-in.If validation fails, a message that explains how to resolve the issue must be displayed on the form tothe user.You need to implement the custom validation.Solution: Throw an InvalidPluginExecutionException with the message.Does the solution meet the goal?

A. Yes 
B. No 

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