PL-400 Exam - Question 238

Question

HOTSPOT -A travel agency uses Dynamics 365 Sales. Customers are allowed to add up to three regions to their travel preferences from the website. Customer preferences must be stored in the Contact entity. An error message must display if customers enter data incorrectly. You create a plug-in. You need to register the plug-in to meet the requirements. Which value should you apply for each parameter? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point. Hot Area:.

Examice · Accepted Answer

Box 1: create -An error message must display if customers enter data incorrectly. The message must be created -Box 2: contact -Customers are allowed to add up to three countries/regions to their travel preferences from the website. Their preferences must be stored in the Contact entity. Box 3: region -Customers are allowed to add up to three regions to their travel preferences from the website. Customer preferences must be stored in the Contact entityBox 4: synchronous -A synchronous plug-in will cause the operation to wait until the code in the plug-in completes. This has an impact on perceived performance of the system. The operations in an asynchronous plug-in are placed in a queue and are executed after the operation is completed so that the operation can complete with minimal interruption. Reference:https://docs. microsoft. com/en-us/powerapps/developer/common-data-service/tutorial-write-plug-in.

btmeera · Answer

Associate, none, none, sycn is the correct answer

DiemerBenoit · Answer

When you register a plugin on Associate message, you have to leave “Primary and Secondary” entities as ‘none’.

BetoJR · Answer

What about "update, contact, none, synchronous"? Just curious...

northstar88 · Answer

Update
Contact
none
Sync

Customers are allowed to add up to three regions << this is unclear, but to me this sounds like the number of available regions are already predetermined (three), which mean it's possible that "preferences" is an optionset.
Customer preferences must be stored in the Contact entity. << already a clear indication that Contact entity is the one getting updated.
Lastly it has to be sync because we want the error to appear if the validation failed. Async will not throw an error on screen.

BlueP · Answer

The wording of the question makes this tricky:

"Customer preferences must be stored in the Contact entity" - this makes me think that the region data is not an secondary entity (for example Multi-select option), hence the contact has to be updated not associated with another entity.

if that is the case the message would be update, 
primary entity - contact
secondary - none
Execution would be synchronous because we would need to validate the data and display error message in real time - "An error message must display if customers enter data incorrectly"

I can also see it the other way where the region is a separate entity and then you would have to associate these with a contact.

If this is on the exam I will go with my gut feeling and go with update

No_Doubt · Answer

There is difference between
1- How the question is requesting the design?
2- What's the best practice?

In order to answer Q1, the answer is Update, Contact, None, Synchronous, where the contact entity has 3 lookup fields to the region entity called [Travel Preference 1 - Travel Preference 2 - Travel Preference 3], since the question is mentioning "Customer preferences must be stored in the Contact entity"

To answer Q2, the answer is to register the plugin-in on the Associate message in the pre-validate pipeline, with primary and secondary entities = None, and execution mode same as Q1, Synchronous.

For me, I will answer the question as it is and go with Q1: Update, Contact, None, Synchronous

Aferdita · Answer

https://www.examtopics.com/discussions/microsoft/view/22293-exam-mb-400-topic-6-question-6-discussion/

rogrod · Answer

Associate will not store the preferences info in Contact Entity... 
It seems that preferences are simple lookups fields on contact entity, so correct message must be "Update".
In my opinion: 
"Update" (preferences stored in contact entity), 
"Contact", 
"None", 
"Syncronous" (must be throw an error to user if data wrong)

jkaur · Answer

Associate, none, none, sycn

pkatsa · Answer

isn't Associate/Disassociate messages only for N-N relationship adding only?
https://community.dynamics.com/crm/b/mylifemicrosoftdynamiccrm/posts/ms-dynamics-crm-associate-disassociate-message-plugin

ShaiAtElad · Answer

According to this link - https://docs.microsoft.com/en-us/power-apps/developer/data-platform/register-plug-in  , Secondary Inage "This field remains for backward compatibility for deprecated messages that accepted an array of EntityReference as the Target parameter. This field is typically not used anymore."  so null sounds right

Violoncello · Answer

So, it seems we agree on "sync"...
About "Associate, none, none": This plugin will fire on *any/every* entity that gets associated with *any/every* entity. Do we really want a plugin firing *ALL* the time???

oleav · Answer

"You need to register the plug-in to meet the requirements." ... so I understand its about registraiton https://learn.microsoft.com/en-us/power-apps/developer/data-platform/tutorial-write-plug-in#register-a-new-step
So it's correct: Create, Contact, Region, Synchronous

Almost all post here is about method to perform data operation - Create, Retrieve, RetrieveMultiple, Update, Delete, Associate, and Disassociate

At09 · Answer

Multi Select OptionSet .... Ringing a bell ? lol

hai297 · Answer

Message: update ("Customer preferences" must be stored in the Contact entity)
Primary: Contact
Secondary: Region and None are sense, but Region is more sense for validation
Sync

4e8b388 · Answer

Update
Contact
None
Synch

LSgeek · Answer

Message: update
Primary Entity: contact
Secondary Entity: none
Execution Mode: synchronous

PL-400 Exam - Question 238

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