Workflow Email Extension Stopped Working After Uploading Packages from Another DevBox

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Posted on by Raed Bzour

188

Hi everyone,

I have a CoC extension on EventNotificationWorkflow.create() that sends custom HTML emails when a PO workflow work item is assigned. It was working perfectly until I uploaded packages from another devbox into my environment. After the upload and data integration, the email completely stopped sending — no outgoing email log entries, no errors, nothing.

[ExtensionOf(classStr(EventNotificationWorkflow))]
final class EventNotificationWorkflow_PurchaseWorkflowTemplates_Extension
{
public EventInboxId create(boolean _isGlobalEmailTemplate)
{
EventInboxId inboxId = next create(_isGlobalEmailTemplate);
if (record.TableId == tableNum(PurchTable))
{
PO_WorkflowEmailSend::send(record.RecId, inbox.UserId);
}
if (record.TableId == tableNum(PurchReqTable))
{
PR_WorkflowEmailSend::send(record.RecId, inbox.UserId);
}
return inboxId;
}
}

What I've confirmed:

Running on a dev box, Workflow work items are created correctly, Batch jobs are running, Email template exists, Recipient has valid email, Code compiles with 0 errors and No entries in outgoing email log after workflow submission

What changed:
I uploaded and installed packages from another devbox into this environment. After that, the PO workflow email stopped sending completely — even though the workflow itself still works fine.

Categories:

Dynamics 365 Finance

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Subra 1,247 on at

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Hi

Could you please confirm did your extension being called when the workflow is assigned and please make sure you done the full custom model build and sync. if it's cloud hosted environment.

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Subra 1,247 on at

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Hi

Additionally, please don't apply package for dev box and try to connect the TFS and get your changes from one environment to another environment.

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André Arnaud de Cal... 305,643 Super User 2026 Season 1 on at

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HI Raed,

Can you tell how you did install additional packages? Are the new customizations in the same extension model? Have you debugged your scenario using the VS Debugger?

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Waed Ayyad 9,167 Super User 2026 Season 1 on at

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Hi,

Did you try to debug your code? You can debug the workflow as in this link : debug-workflows-in-dynamics-365-for-finance-and-operations

Thanks,

Waed Ayyad

If this helped, please mark it as "Verified" for others facing the same issue

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Raed Bzour 188 on at

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Thank you, All.

After reviewing the blog, I discovered that the issue was caused by the data. I debugged the problem and was able to identify the bug.

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