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Appian ACD201 Exam - Topic 4 Question 17 Discussion

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.
A) Set ''CMN_SendEmail'' as a ''Start Process'' process node and select ''Automatically run multiple instances of this node'' for all the users that are on the mailing list.
B) Set ''CMN_SendEmair'' as an asynchronous '' Subprocess' node and select 'Automatically run multiple instances of this node' for all the users that are on the mailing list.
C) Set ''CMN-SendEmail'' as a synchronous 'Subprocess' node and select ''Automatically run multiple instances of this node'' for all the users that are on the mailing list.

Appian ACD201 Exam - Topic 4 Question 17 Discussion

Actual exam question for Appian's ACD201 exam
Question #: 17
Topic #: 4
[All ACD201 Questions]

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.

Show Suggested Answer Hide Answer
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.


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

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Demetra
3 days ago
Option C seems too slow. Synchronous can cause delays.
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Jess
8 days ago
I prefer option B. Asynchronous is more efficient for large lists.
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Abel
14 days ago
I think option A is the best. It starts the process right away.
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Hermila
19 days ago
I like B too, asynchronous is the way to go!
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Vallie
24 days ago
Wait, can we really run multiple instances like that?
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Monroe
29 days ago
C sounds risky, synchronous could slow things down.
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Delmy
1 month ago
I disagree, A seems more straightforward.
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Norah
1 month ago
I think option B is the best choice for performance.
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Audra
1 month 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.
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Hassie
2 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.
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Jesusita
2 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.
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Lynsey
2 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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