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Salesforce Certified MuleSoft Developer (Mule-Dev-201) Exam - Topic 9 Question 35 Discussion

Actual exam question for Salesforce's Salesforce Certified MuleSoft Developer (Mule-Dev-201) exam
Question #: 35
Topic #: 9
[All Salesforce Certified MuleSoft Developer (Mule-Dev-201) Questions]

What is the correct syntax to define and call a function in Database?

A)

B)

C)

D)

Show Suggested Answer Hide Answer
Suggested Answer: A

Keyword to ad function in Dataweave transformation is fun. Hence option 2 and 4 are invalid. Also parameters needs to be passed exactly in same order as defined in function definition. Hence correct answer is'

fun addKV( object: Object, key: String, value: Any) =

object ++ {(key):(value)}

---

addKV ( {'hello': 'world'}, 'hola', 'mundo' )

MuleSoft Documentation Reference : https://docs.mulesoft.com/mule-runtime/4.3/dataweave-functions

DataWeave Function Definition Syntax

To define a function in DataWeave use the following syntax:

fun myFunction(param1, param2, ...) = <code to execute>

The fun keyword starts the definition of a function.

myFunction is the name you define for the function.

Function names must be valid identifiers.

(param1, param2, ... , paramn) represents the parameters that your function accepts.

You can specify from zero to any number of parameters, separated by commas (,) and enclosed in parentheses.

The = sign marks the beginning of the code block to execute when the function is called.

<code to execute> represents the actual code that you define for your function.


Contribute your Thoughts:

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Burma
3 days ago
I think it's Option A. Looks straightforward.
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Devorah
8 days ago
I’m surprised there’s no clear answer here!
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Katlyn
13 days ago
Definitely not Option D, that one’s wrong.
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Dorothy
18 days ago
Wait, are we sure about that?
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Mari
24 days ago
Option A looks correct to me.
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Graciela
29 days ago
Ah, the age-old debate of function definition vs. function call. Option C is the way to go, my friends.
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Miles
1 month ago
Hmm, I'm not sure about this one. I'll have to think it through carefully.
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Cecil
1 month ago
This question is a piece of cake! Option B is clearly the correct syntax.
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Dottie
1 month ago
I recall that calling a function often involves parentheses, but I can't remember if that's in all the options or just some of them.
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Nieves
2 months ago
I’m a bit confused about the differences between the options. I feel like they all look somewhat similar, especially A and B.
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Ligia
2 months ago
This is a tricky one, but I'm leaning towards Option A. The function declaration and invocation seem to align with the database principles I've learned.
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Lashon
2 months ago
I think Option D is the correct answer. The function name and parameters look like the proper format, but I'll double-check the syntax just to be sure.
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Jesse
2 months ago
I practiced a similar question last week, and I feel like Option C might be the right syntax, but I could be mixing it up.
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Jerry
2 months ago
I think I remember that functions in databases usually start with a keyword, but I’m not sure which option shows that correctly.
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Queen
3 months ago
Option B seems to be the way to go. The function definition and call structure matches what I've seen in my database coursework.
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Ezekiel
3 months ago
Option D looks good to me. Who needs syntax when you have creativity?
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Tresa
3 months ago
I think it's actually Option C!
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Chi
3 months ago
Hmm, I'm a bit unsure about this one. The options all look similar, so I'll need to carefully review the syntax details to make sure I choose the right one.
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Glenn
3 months ago
I'm pretty confident this is Option C. The syntax looks correct for defining and calling a function in a database.
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