Capture field changes in a plugin

1 min read

Summary

The following code captures record updates in a Dynamics 365 CE plugin, and stores this in the description field.

This code can be used to track record-level changes.

The plugin should be registered on the pre-operation stage on the UPDATE message.

C# Code

using Microsoft.Xrm.Sdk;
using System;
using System.Collections.Generic;
using System.ServiceModel;

namespace PreImage
{
    public class FollowupPlugin : IPlugin
    {
        public void Execute(IServiceProvider serviceProvider)
        {
            // Obtain the tracing service
            ITracingService tracingService = (ITracingService)serviceProvider.GetService(typeof(ITracingService));

            IPluginExecutionContext context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));

            if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)
            {
                Entity entity = (Entity)context.InputParameters["Target"];

                IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
                IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);

                try
                {
                    List<string> keys = new List<string>();

                    foreach (var result in entity.Attributes.Keys)
                    {
                        keys.Add(result);
                    }

                    // Insert changes to the description field
                    entity["description"] = String.Join(",", keys);
                }
                catch (FaultException<OrganizationServiceFault> ex)
                {
                    throw new InvalidPluginExecutionException("An error occurred in Plugin.", ex);
                }
                catch (Exception ex)
                {
                    tracingService.Trace("Plugin: {0}", ex.ToString());
                    throw;
                }
            }
        }
    }
}

Source Code

https://dev.azure.com/eax360/Global%20Catalogue%20Public%20Projects/_git/PreImage

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