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Appian ACD201 Exam - Topic 4 Question 17 Discussion

Posted by Freeman on Jun 21, 2026 at 08:08 PM

You're designing a process used to notify multiple users of marketing campaigns. These campaigns occur infrequently, but are sent out to the hundreds of customers that are stored in your app.

How should you best design your process model to send the emails whilst using a common email process model (CMN_SendEmail), to be most performant?

The outputs of this node are not required for the main process.

Suggested Answer: A

Using 'Start Process' as the node type and enabling 'Automatically run multiple instances of this node' for all users on the mailing list launches each email as a separate, lightweight process, maximizing performance and scalability, especially since the main process does not require the outputs.


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12 comments · newest first
DE
Demetra 2 months ago
Option C seems too slow. Synchronous can cause delays.
JE
Jess 2 months ago
I prefer option B. Asynchronous is more efficient for large lists.
AB
Abel 2 months ago
I think option A is the best. It starts the process right away.
HE
Hermila 2 months ago
I like B too, asynchronous is the way to go!
VA
Vallie 2 months ago
Wait, can we really run multiple instances like that?
MO
Monroe 2 months ago
C sounds risky, synchronous could slow things down.
DE
Delmy 3 months ago
I disagree, A seems more straightforward.
NO
Norah 3 months ago
I think option B is the best choice for performance.
AU
Audra 3 months ago
I’m a bit confused about the difference between synchronous and asynchronous in this context. I wonder if that affects how we handle the email notifications.
HA
Hassie 3 months ago
I feel like we practiced a similar question where we had to choose between start processes and subprocesses, and I think the subprocess option is usually more efficient.
JE
Jesusita 3 months ago
I'm not entirely sure, but I think using a synchronous subprocess could slow things down since it waits for each email to be sent before moving on.
LY
Lynsey 4 months ago
I remember we discussed the importance of using asynchronous processes for tasks that don't need immediate feedback, so option B might be the best choice.
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