Extension framework in D365 F&O - Quiz

You need to change how the VendorInvoiceLineEntity functions. Which of the following actions should you take to start?

ACreate a new entity and copy all the properties from VendorInvoiceLineEntity.
BExtend VendorInvoiceLineEntity.
COverlayer your changes on the existing VendorInvoiceLineEntity.
DEdit VendorInvoiceLineEntity directly.

You are customizing the Microsoft Dynamics 365 finance and operations apps. The customization involves adding new business logic that will be triggered upon certain events in the application.

You need to ensure that the new business logic can be easily maintained and does not interfere with future updates to the core application.

What should you do? Each correct answer presents part of the solution. Choose three.

AImplement event handlers for the required events to inject custom business logic.
BUse the Chain of Command (CoC) to extend the functionality of existing methods.
CCreate a new class extension to encapsulate the business logic.
DA, B, C

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Extension framework in D365 F&O - Quiz

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Q: You need to change how the VendorInvoiceLineEntity functions. Which of the following actions should you take to start?

A. Create a new entity and copy all the properties from VendorInvoiceLineEntity.
B. Extend VendorInvoiceLineEntity.
C. Overlayer your changes on the existing VendorInvoiceLineEntity.
D. Edit VendorInvoiceLineEntity directly.

Correct Option: B
Remarks:

Explanation:

Justification:

A. Incorrect: Creating a new entity and copying the properties won't cause your entity to be loaded instead of the original, so your changes won't take effect in the front end.
B. Correct: Most elements can be modified by extension.
C. Incorrect: This option was in older versions but was deprecated because it's less supportable than extensions.
D. Incorrect: VendorInvoiceLineEntity is a locked system entity, so you couldn't do this if you tried.

Q:
You are customizing the Microsoft Dynamics 365 finance and operations apps. The customization involves adding new business logic that will be triggered upon certain events in the application.

You need to ensure that the new business logic can be easily maintained and does not interfere with future updates to the core application.

What should you do? Each correct answer presents part of the solution. Choose three.

A. Implement event handlers for the required events to inject custom business logic.
B. Use the Chain of Command (CoC) to extend the functionality of existing methods.
C. Create a new class extension to encapsulate the business logic.
D. A, B, C

Correct Option: D
Remarks:

Explanation:

Wrong: Create a new table in the database to handle the business logic separately.

Wrong:Modify the base class directly to include the new business logic.

Wrong:Copy the existing method into a new class and add the custom business logic.

Creating a new class extension (E) allows for adding custom business logic without modifying the original base class, which aligns with best practices for maintainability and upgradeability. Using the Chain of Command (D) is a recommended approach to extend the functionality of existing methods without altering the original code. Implementing event handlers (C) is a non-intrusive way to add custom logic that responds to specific application events. Modifying the base class directly (B) is not recommended as it can lead to issues during updates. Copying an existing method into a new class (F) is not a best practice as it can create redundant code and maintenance challenges. Creating a new table in the database (A) is not related to adding business logic within the application code and could lead to unnecessary complexity.

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