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How to Write a Simple Dynamics 365 Plugin: A Step-by-Step Guide for Boosting Business Efficiency

How to Write a Simple Dynamics 365 Plugin: A Step-by-Step Guide for Boosting Business Efficiency

Writing a Simple Dynamics 365 Plugin: A Step-by-Step Guide

Plugins are essential elements of Dynamics 365 as they help extend the functionality and automate certain processes. Implementing plugins can be intimidating, especially if you are not familiar with the platform’s architecture. In this blog post, we will go through the process of writing a simple Dynamics 365 plugin.

Step 1: Define the Plugin

The first step is to define the purpose of the plugin. What business requirements do you seek to address? Answering this question will help you determine the trigger that will activate the plugin. There are various triggers available in Dynamics 365 such as “OnCreate,” “OnUpdate,” and “OnDelete.” Once you identify the trigger, you can then proceed to register the plugin.

Step 2: Register the Plugin

Registration is the process of configuring the plugin to execute upon the specified trigger. You can register the plugin using the Plugin Registration Tool provided by Microsoft. To register your plugin, you will need to supply details such as the name of the assembly containing the plugin, the class within the assembly that contains the plugin implementation, and the message/process that triggers the plugin.

Step 3: Write the Code

After registering the plugin, the next step is to write the code that will be executed once the trigger is activated. The code will be in C# or VB.Net, and it should be written to meet the required business requirements. Your code could perform various operations such as updating data, sending emails, or even invoking other plugins. It is important to test the code thoroughly before deploying the plugin to production.

Step 4: Publish the Plugin

Once the code is written and tested, the next step is to publish the plugin. You can use the solution explorer within Dynamics 365 to create a new solution containing the plugin. The solution can then be exported and imported into another environment for testing or deployment to production.

Step 5: Optimize the Plugin

The final step is to optimize the plugin performance. You can achieve this by minimizing operations that take too long to execute or limiting the number of records processed at once. Additionally, you can avoid using inefficient commands such as “RetrieveMultiple” and use more optimized alternatives like “FetchXML.”


In summary, writing a simple Dynamics 365 plugin is not as complex as it may seem. The process involves defining the trigger, registering the plugin, writing the code, publishing the plugin, and optimizing performance. With a bit of practice, you can create more complex plugins that address more complex business requirements. By automating processes and extending Dynamics 365 functionality, plugins help businesses operate more efficiently, increasing productivity and profitability.

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