Business Central Extensions

Business Central Extensions

Simple hacks for Business Central Extensions

Dynamics 365 Business Central, like most Microsoft Dynamics 365 solutions, can be highly customized to meet the needs of individual businesses. One approach to customizing and adding more functionality to your ERP system is using extensions in Business Central. They can assist you in modifying your ERP system to work best for your company. Know more about Dynamics 365 business central. 

What are extensions?

With the advent of extensions, Dynamics 365 Business Central has gone from a package with many firm features which are adored by every small and medium-sized business.

Extensions are nothing more than a piece of code or logic created in the AL Language using VS Code, just like any other programming language. The extension aims to expand Business Central’s functionality without altering the base code itself.

Extensions can be defined as adding a function or a code section to an existing piece of code without altering the original code. Extensions are the addition of functionalities to existing objects.

Pre-installed Extensions in Business Central

Some of the extensions are already installed when Business Central is initially used. A list of all the attachments that are currently installed on your system is available by going to Extension Management in Business Central.

Microsoft offers several already-installed extensions that provide basic functionality advantageous to businesses.

An “Email-SMTP Connector” enables users to send emails from the same account in Business Central, for instance, while another extension called PayPal enables the integration of standard payment terms.

These extensions can also be uninstalled from your central business environment if you do not require them.

Need of Extensions 

The base setup offered by the Dynamics 365 Business Central base application enables various organizations to get off the ground quickly, but more is needed to meet all their requirements. Every company has distinct characteristics, and to include them in Business Central, we need extensions. They make it simple to add or delete more functionality from the Business Central system’s main application without having to worry about compatibility or coding issues.

Based on the demands and specifications of your company, extensions make Business Central an ERP system that is adjustable.

Benefits of Extensions

AppSource offers a wide range of extensions.

We have a great application from Microsoft called App source that enables us to find new extensions from the extension marketplace at Many developers use this platform to offer services that benefit other companies. It has helped people to locate the best-fitting solutions according to their business worldwide.

Highly Customisable

Customization through extensions can be as trivial as altering the name of a field or as significant as integrating the entire payroll or backorder process within Business Central. To make our code compliant with Business Central, we have the freedom to do so. In addition, it allows for extensive customization, allowing changes to be made to numerous pages of tables and reports all at once.

It is simple to maintain and upgrade.

Extensions are add-ons that do not affect the base application of Business Central. Since extensions operate in a different environment from the Business Central Core application, it is straightforward to install, uninstall, or upgrade extensions without affecting them.

Rollbacks and upgrades are made feasible via the versioning system used by extensions, making the upgrade and maintenance process simple and easy.

How can you develop Extensions?

Business Central extensions are created using AL Language and coded in Visual Studio Code. Therefore, we must first understand how Extension works in Business Central before we can make our first extension.

We know that ‘objects’ are used to code all functionality in Business Central. Similarly, extensions are object-based in that we create a new object and extend an existing object by adding the user’s requirements. In Business Central, everything is treated as an object. For example, a table is an object that defines a table scheme for keeping user data. To make this data accessible to users, we have a page object that displays all of the essential information. These objects are written in AL code (Application Language) and saved with ‘.al’ extension files. 

For more information on AL Language :AL language

Let’s Create a ‘Hello World’ Extension through the AL language.

Type in the following code in your Visual Studio Code after you have set up your development environment.

pageextension 50200 Customer_List_Ext extends “Customer List”


    trigger OnOpenPage();


        Message(‘App published: Hello world’);



Press ‘ctrl + F5’ to deploy your first extension on the sandbox environment on Business Central.

The ‘Hello World’ message will be displayed on the Customer List page in Business Central.

Using extensions, we may construct even more complicated features based on the user’s needs. With the addition of an Extension in Business Central, developers now have the ability to make modifications to the primary application without messing with it while still meeting the needs of the users.

Business Central Extensions
Article Name
Business Central Extensions
Developers can now modify the main programme without interfering with it while still satisfying user needs thanks to the advent of an Extension in Business Central. You can learn about the advantages, need, and development of extensions in this blog.
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BugendaiTech Pvt Ltd
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December 29, 2022

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