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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
2 months ago
Wait, can Magento really auto-detect actions like that?
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Delmy
2 months ago
C is definitely not how it works, that's misleading.
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Daniel
2 months ago
Option A is the way to go!
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Lauran
3 months ago
I disagree, B seems more straightforward.
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Cassandra
3 months ago
I've always used A for this kind of thing, works like a charm!
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Gail
3 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
3 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
4 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
4 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
4 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
4 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
4 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
5 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
5 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
5 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
5 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
5 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
5 months ago
Absolutely! That would be chaos.
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Richelle
5 months ago
Sticking to the right methods saves a lot of trouble.
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Kimberely
5 months ago
Right? It could break everything!
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Junita
5 months ago
Definitely a risky move. Best to be cautious.
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Marg
6 months 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
5 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
7 months ago
I agree with Barabara, that way the new action won't interfere with the original module.
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Barabara
7 months ago
I think the developer should use the before or after parameters in the route declaration.
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William
7 months 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
7 months 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
5 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
5 months ago
B) Inject the new action into the standard router constructor's $actionlist parameter.
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Afton
7 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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