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Microsoft Dynamics 365: Finance and Operations Apps Developer Questions 66–70 (page: 15)

Updated On: 10-Feb-2026
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You are a Dynamics 365 Finance developer. You have the following Extended Data Types (EDTs):

You plan to modify the EDT properties by using an extension. You need to determine which operations can be performed. Which operation is possible?

  1. Create an extension for AccountBase and decrease the field size.
  2. Create an extension for AccountId and increase the field size.
  3. Create a derived EDT for AccountId and decrease the field size.
  4. Create an extension for AccountBase and increase the field size.

Answer(s): D

Explanation:

You can only set the new String size to a value equal to or larger than the base EDT value.

Incorrect Answers:
B, C: You can only modify the value if the EDT does not extend from another EDT.


Reference:

https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/extensibility/modify-edt



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Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have 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, these questions will not appear in the review screen.

You are adding a new field to the SalesTable form.
You must use an extension to add a status field onto the form.

You need to create the extension in the Application Object Tree (AOT) and add the extension to the demoExtensions model.

Solution: Navigate to the user interface forms node for the SalesTable form and modify the form.
Does the solution meet the goal?

  1. Yes
  2. No

Answer(s): B

Explanation:

Instead navigate to the user interface forms section for the SalesTable form and create an extension.

Note: In Dynamics 365 Finance and Operations, the new fields will need to be added via a table extension. Create the extensions on the SalesTable.


Reference:

https://stoneridgesoftware.com/how-to-extend-sales-order-update-functionality-to-custom-fields-in-d365-finance-and-operations/



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HOTSPOT (Drag and Drop is not supported)
You are a Dynamics 365 Finance developer.

You need to add a new status named InTransit to the SalesTable.SalesStatus field and use the status in code. What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




Box 1: Create an extension of SalesStatus
To modify properties on an existing field in a table, you must first create an extension for the table.
Box 2: SalesStatus::InTransit
Incorrect Answers:
Overlay: Overlaying code, the now-outdated way to implement customer-specific functionality under Dynamics AX, involved customizing programming within Microsoft’s code and recompiling the application.


Reference:

https://docs.microsoft.com/sv-se/dynamics365/fin-ops-core/dev-itpro/extensibility/modify-existing-field
https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/extensibility/extensible-enums



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You add a field to the SalesTable entity by using an extension.
You need to ensure that the new field is available for use in forms, reports, and code.
What are three possible ways to achieve this goal? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

  1. Right-click the table and select Synchronize.
  2. Navigate to the Dynamics 365 menu and select Synchronize database.
  3. Right-click the solution and select Synchronize with database.
  4. Set the project property for Synchronize database on build to true and build the solution.
  5. Right-click the project and select Synchronize with database.

Answer(s): A,D,E



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DRAG DROP (Drag and Drop is not supported)
An organization uses Visual Studio to develop customizations for Dynamics 365 Supply chain Management. You need to create an extension for the CustTable form and add the extension to the Visual Studio project.

Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




Step 1: In Solution Explorer, drag the CustTable form into the project.
Step 2: In The Application Object Tree (AOT), right-click the CustTable form.
Step 3: Select Create extension.

Note: To create an extension (in general terms), follow these steps:
1. In the Application Explorer window, expand the AOT node.
2. Expand the node for the element that you want to extend. For example, in Classic view, extend the Data Models node, and then extend the Tables node to view all available tables.
3. Right-click the element that you want to extend.
4. Select Create extension to add an extension to your current project. Select Create extension in new project if you want to add the extension to a new project. The element will be added to a project in the Solution Explorer window, and it will open in the element designer.


Reference:

https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-extension-example



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