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Adobe AD0-E716 Exam - Topic 12 Question 49 Discussion

An Adobe Commerce Developer wishes to add an action to a pre-existing route, but does not wish to interfere with the functionality of the actions from the original route.What must the developer do to ensure that their action works without any side effects in the original module?
A) In the route declaration, use the before or after parameters to load their module in before or after the original module.
B) Inject the new action into the standard router constructor's $actiomist parameter.
C) Add the action into to the controllers/front_name/ in My.Module, Magento will automatically detect and use it.

Adobe AD0-E716 Exam - Topic 12 Question 49 Discussion

Actual exam question for Adobe's AD0-E716 exam
Question #: 49
Topic #: 12
[All AD0-E716 Questions]

An Adobe Commerce Developer wishes to add an action to a pre-existing route, but does not wish to interfere with the functionality of the actions from the original route.

What must the developer do to ensure that their action works without any side effects in the original module?

Show Suggested Answer Hide Answer
Suggested Answer: A

To add an action to a pre-existing route without interfering with the functionality of the original route, the developer must use the before or after parameters in the route declaration. This will load the developer's module in before or after the original module, respectively.

For example, the following code would add an action to the my_module/index route before the action from the original module:

<route id='my_module/index'>

<before>my_module_before</before>

</route>

The my_module_before action would be executed before the MyModuleControllerIndex action, which would allow the developer to perform any necessary setup before the original action is executed.


by Malcom at Jul 31, 2025, 01:46 PM

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Charlene
8 months ago
Wait, can Magento really auto-detect actions like that?
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Delmy
8 months ago
C is definitely not how it works, that's misleading.
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Daniel
8 months ago
Option A is the way to go!
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Lauran
9 months ago
I disagree, B seems more straightforward.
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Cassandra
9 months ago
I've always used A for this kind of thing, works like a charm!
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Gail
9 months ago
I practiced a similar question where we had to extend routes without breaking existing functionality, and I feel like the before/after parameters were key there.
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Grover
9 months ago
Adding the action to the controllers/front_name/ sounds familiar, but I’m not confident if Magento really auto-detects it like that.
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Julian
10 months ago
I think injecting the action into the router's $actionList might be the right approach, but I can't recall the exact syntax.
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Lina
10 months ago
I remember something about using before or after parameters in route declarations, but I'm not entirely sure how that works in this context.
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Ona
10 months ago
I've dealt with similar issues before. I think Option A is the way to go - it allows you to load your module in a specific order without affecting the original functionality.
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Nicolette
10 months ago
Option C seems like the easiest solution, but I'm not sure if that's the best practice. I'll need to research the recommended way to add a new action without disrupting the original module.
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Kanisha
10 months ago
I'm a bit confused on the difference between the before and after parameters in the route declaration. I'll need to double-check the documentation on that.
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Emilio
11 months ago
I think the key here is to avoid interfering with the original module's functionality. Option A sounds like the safest approach to me.
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Jina
11 months ago
Hmm, this seems like a tricky one. I'll need to carefully review the module structure and routing configuration to make sure I don't break anything.
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Remedios
11 months ago
I'm not sure, but injecting the new action into the standard router constructor sounds like a good idea too.
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Marci
11 months ago
I think I'll go with A) on this one. Keeping your module separate and loading it in the right order seems like the safest way to avoid any unexpected issues.
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Elizabeth
11 months ago
Ha! Imagine if the developer just started randomly adding actions to the controllers folder. That would be a surefire way to cause some serious side effects!
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Jutta
11 months ago
Absolutely! That would be chaos.
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Richelle
11 months ago
Sticking to the right methods saves a lot of trouble.
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Kimberely
11 months ago
Right? It could break everything!
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Junita
11 months ago
Definitely a risky move. Best to be cautious.
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Marg
1 year ago
Hmm, I'm not so sure about C). Adding the action to the controllers/front_name/ directory seems a bit too simple, I'm not convinced Magento would automatically detect and use it.
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Daisy
11 months ago
A) In the route declaration, use the before or after parameters to load their module in before or after the original module.
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Bobbye
1 year ago
I agree with Barabara, that way the new action won't interfere with the original module.
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Barabara
1 year ago
I think the developer should use the before or after parameters in the route declaration.
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William
1 year ago
I disagree, I think A) is the better option. By using the before or after parameters, you can ensure your module is loaded in the right order without interfering with the original functionality.
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Hildred
1 year ago
I think B) sounds like the way to go. Injecting the new action into the standard router constructor's $actionlist parameter seems like the most straightforward approach.
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Amos
11 months ago
That makes sense. Injecting the new action directly into the router constructor seems like the best way to avoid any conflicts.
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Tonette
11 months ago
B) Inject the new action into the standard router constructor's $actionlist parameter.
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Afton
1 year ago
A) In the route declaration, use the before or after parameters to load their module in before or after the original module.
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