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Salesforce Certified MuleSoft Developer (Mule-Dev-201) Exam - Topic 10 Question 21 Discussion

Refer to the exhibits.Set paylaod transformer is set the firstName and lastName of the customer as shown in below images.What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?
D) vars.'customer'.'firstName'
A) firstName
B) customer.firstName
C) vars.'customer.firstName'

Salesforce Certified MuleSoft Developer (Mule-Dev-201) Exam - Topic 10 Question 21 Discussion

Actual exam question for Salesforce's Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam
Question #: 21
Topic #: 10
[All Salesforce Certified MuleSoft Developer (Mule-Dev-201) Questions]

Refer to the exhibits.

Set paylaod transformer is set the firstName and lastName of the customer as shown in below images.

What is the correct Dataweave expression which can be added in message attribute of a Logger activity to access firstName (which in this case is Madhav) from the incoming event?

Show Suggested Answer Hide Answer
Suggested Answer: D

Correct answer is vars.'customer'.'firstName'

Please note that you can also access firstName using this syntax vars.customer.firstName.

Mule Ref Doc :Variables in Mule Apps | MuleSoft Documentation


by Mitsue at Nov 19, 2024, 05:01 AM

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Emerson
9 months ago
Wait, why would we use vars for this? That seems off.
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Antonio
10 months ago
I agree with Mirta, B is the way to go!
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Lilli
10 months ago
I'm not so sure about that, seems too simple.
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Stephania
10 months ago
I think it's just firstName, right?
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Mirta
10 months ago
It's definitely customer.firstName!
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Sean
10 months ago
I think I saw something about using quotes in Dataweave expressions, so maybe D is the right choice?
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Linsey
11 months ago
I feel like I should know this, but I'm confused about whether to use vars or just access it directly.
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Shasta
11 months ago
I remember practicing a similar question where we had to access nested attributes. I wonder if it's C or D this time.
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Rolf
11 months ago
I think the answer might be B, but I'm not entirely sure if the context requires using "customer" like that.
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Kimberlie
11 months ago
I feel pretty confident about this one. The question is straightforward, and the images clearly show the payload structure with a "customer" object containing the firstName and lastName. I'm going to go with option B.
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Casandra
11 months ago
I'm not totally sure about this one. The question mentions a "Logger activity" but I'm not familiar with that. I'll have to think through the DataWeave syntax carefully to make sure I select the right option.
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Hector
11 months ago
Okay, I think I've got this. The key is that the question is asking for the correct DataWeave expression to access the firstName, which is "Madhav" based on the images. So the answer is B, "customer.firstName".
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Jeannetta
11 months ago
Hmm, I'm a bit confused by the question. It mentions a "Set paylaod transformer" but I don't see any information about that in the question. I'll need to re-read it carefully to make sure I understand what it's asking.
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Vilma
11 months ago
This looks straightforward, I think the answer is B. The question is asking for the correct DataWeave expression to access the firstName, and the image shows the payload has a "customer" object with firstName and lastName properties.
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Luther
2 years ago
I bet the correct answer is 'firstName' because the question is just testing if we can read. Seriously, who needs DataWeave when you have common sense?
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Huey
2 years ago
B) customer.firstName is the way to go. Unless you're trying to invoke the spirit of Shakespeare with those 'vars' shenanigans.
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Carli
2 years ago
A) firstName is too vague. B) customer.firstName is more specific.
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Trinidad
2 years ago
B) customer.firstName is correct. No need for the 'vars' confusion.
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Carol
2 years ago
I'm not sure, but I think C) vars.`customer.firstName` might also work because it combines vars and customer.firstName.
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Glenna
2 years ago
A) firstName? Really? Who names a variable just 'firstName'? That's like naming your dog 'Dog'. C'mon, people, get creative!
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Azalee
2 years ago
D) vars.customer.firstName
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Viola
2 years ago
C) vars.customer.firstName
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Shasta
2 years ago
B) customer.firstName
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Noah
2 years ago
A) firstName? Really? Who names a variable just 'firstName'? That's like naming your dog 'Dog'. C'mon, people, get creative!
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Yolando
2 years ago
I disagree, I believe the correct answer is D) vars.`customer`.`firstName` because it uses the vars to access the customer's firstName.
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Paulene
2 years ago
D) vars.customer.firstName looks more elegant, but B) is the safer bet. Gotta play it safe in these exams, you know.
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Toshia
2 years ago
I think the correct answer is B) customer.firstName. It's a pretty straightforward data mapping, no need to overcomplicate things.
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Sherita
2 years ago
I'm not sure, but A) firstName seems too simple to be the correct answer.
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Jeannetta
2 years ago
I believe it's D) vars.`customer`.`firstName` to access the nested property.
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Lashawn
2 years ago
D) vars.customer.firstName
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Heike
2 years ago
I think it's C) vars.`customer.firstName` because we need to access it through vars.
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Alline
2 years ago
C) vars.customer.firstName
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Dominic
2 years ago
I agree, B) customer.firstName seems like the correct answer.
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Tawanna
2 years ago
B) customer.firstName
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Sanjuana
2 years ago
A) firstName
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Catarina
2 years ago
I think the correct answer is B) customer.firstName because it directly accesses the firstName of the customer.
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