Unable to Debug Dynamics C# Plugin in Plugin Registration Tool

Question

Background

I have a C# plugin in Dynamics 2016 on-premise that uses a library to make calls to other systems. Part of that library is a call to dynamics using the Web

Answer 1

I remember this issue, when I was debugging SharePoint online REST API calls it will always crash. Then I added tracing service & logged checkpoints to verify the code execution path. Instead of debugging, I will download the Profiler trace log & replay in PRT to see success or failure branch.

When you configure plugin tracing to log All under system settings, it’s Dev mode & will be super helpful.

            ITracingService tracingService = (ITracingService)serviceProvider.GetService(typeof(ITracingService));

            try
            {
                tracingService.Trace("Attempting to obtain Phone value...");
                phone = account["telephone1"].ToString();

            }

            catch(Exception error)
            {
                tracingService.Trace("Failed to obtain Phone field. Error Details: " + error.ToString());
                throw new InvalidPluginExecutionException("A problem has occurred. Please press OK to continue using the application.");

            }

Reference

In your case:

            if(responseMessage != null)
            {

                tracingService.Trace("API call success & got responseMessage.");

            }
            else
            {

                tracingService.Trace("responseMessage was empty.");

            }