PL-400 Microsoft Power Platform Developer Exam

Skills measured
Create a technical design (10-15%)
Configure Common Data Service (15-20%)
Create and configure Power Apps (15-20%)
Configure business process automation (5-10%)
Extend the user experience (10-15%)
Extend the platform (15-20%)
Develop integrations (5-10%)

Audience Profile
Candidates for this exam design, develop, secure, and troubleshoot Power Platform solutions. Candidates implement components of a solution that include application enhancements, custom user experience, system integrations, data conversions, custom process automation, and custom visualizations. Candidates must have strong applied knowledge of Power Platform services, including in-depth understanding of capabilities, boundaries, and constraints. Candidates should have a basic understanding of DevOps practices for Power Platform. Candidates should have development experience that includes Power Platform services, JavaScript, JSON, TypeScript, C#, HTML, .NET, Microsoft Azure, Microsoft 365, RESTful Web Services, ASP.NET, and Power BI.

Skills Measured NOTE:
The bullets that appear below each of the skills measured are intended to illustrate how we are assessing that skill. This list is not definitive or exhaustive.

NOTE: In most cases, exams do NOT cover preview features, and some features will only be added to an exam when they are GA (General Availability).

Create a technical design (10-15%)
Validate requirements and design technical architecture
 design and validate the technical architecture for a solution
 design authentication and authorization strategy
 determine whether you can meet requirements with out-of-the-box functionality
 determine when to use Logic Apps versus Power Automate flows
 determine when to use serverless computing, plug-ins, or Power Automate
 determine when to build a virtual entity data source provider and when to use connectors

Design solution components
 design a data model
 design Power Apps reusable components
 design custom connectors
 design server-side components

Describe Power Platform extensibility points
 describe Power Virtual Agents extensibility points including Bot Framework skills and Power Automate flows
 describe Power BI extensibility points including Power BI APIs, custom visuals, and embedding Power BI apps in websites and other applications
 describe Power Apps portal extensibility points including CRUD APIs and custom styling

Configure Common Data Service (15-20%)

Configure security to support development
 troubleshoot operational security issues
 create or update security roles and field-level security profiles
 configure business units and teams

Implement entities and fields
 configure entity and entity options
 configure fields
 configure relationships and types of behaviors

Implement application lifecycle management (ALM)
 create solutions and manage solution components
 import and export solutions
 manage solution dependencies
 create a package for deployment
 automate deployments
 implement source control for projects including solutions and code assets

Create and configure Power Apps (15-20%)

Create model-driven apps
 configure a model-driven app
 configure forms
 configure views
 configure visualizations

Create canvas apps
 create and configure a canvas app
 implement complex formulas to manage control events and properties
 analyze app usage by using App Insights
 build reusable component libraries

Manage and troubleshoot apps
 troubleshoot app issues by using Monitor and other browser-based debugging tools
 interpret results from App Checker and Solution Checker
 identify and resolve connector and API errors
 optimize app performance including pre-loading data and query delegation

Configure business process automation (5-10%)

Configure Power Automate
 create and configure a flow
 configure steps to use Common Data Service connector actions and triggers
 implement complex expressions in flow steps
 implement error handling
 troubleshoot flows by analyzing JSON responses from connectors

Implement processes
 create and configure business process flows
 create and configure business rules
 create, manage, and interact with business process flows by using server-side and client-side code
 troubleshoot processes

Extend the user experience (10-15%)

Apply business logic using client scripting
 create JavaScript or Typescript code that targets the XRM API
 register an event handler
 create client-side scripts that target the Common Data Service Web API

Create a Power Apps Component Framework (PCF) component
 describe the PCF component lifecycle
 initialize a new PCF component
 configure a PCF component manifest
 implement the component interfaces
 package, deploy, and consume the component
 configure and use PCF Device, Utility, and WebAPI features
 test and debug PCF components by using the local test harness

Create a command button function
 create the command function
 design command button rules and actions
 edit the command bar by using the Ribbon Workbench
 manage dependencies between JavaScript libraries

Extend the platform (15-20%)

Create a plug-in
 describe the plug-in execution pipeline
 design and develop a plug-in
 debug and troubleshoot a plug-in
 implement business logic by using pre and post images
 perform operations on data by using the Organization service API
 optimize plug-in performance
 register custom assemblies by using the Plug-in Registration Tool
 develop a plug-in that targets a custom action message

Create custom connectors
 create a definition for the API
 configure API security
 use policy templates to modify connector behavior at runtime
 expose Azure Functions as custom connectors
 create custom connectors for public APIs by using Postman

Use platform APIs
 interact with data and processes by using the Common Data Service Web API or the Organization Service
 implement API limit retry policies
 optimize for performance, concurrency, transactions, and batching
 query the Discovery service to discover the URL and other information for an organization
 perform entity metadata operations with the Web API
 perform authentication by using OAuth

Process workloads
 process long-running operations by using Azure Functions
 configure scheduled and event-driven function triggers in Azure Functions
 authenticate to the Power Platform by using managed identities

Develop Integrations (5-10%)

Publish and consume events
 publish an event by using the API
 publish an event by using the Plug-in Registration Tool
 register service endpoints including webhooks, Azure Service Bus, and Azure Event Hub
 implement a Common Data Service listener for an Azure solution
 create an Azure Function that interacts with Power Platform

Implement data synchronization
 configure entity change tracking
 read entity change records by using platform APIs
 create and use alternate keys

QUESTION 1
You need to improve warehouse counting efficiency.
What should you create?

A. a flow that updates the warehouse counts as the worker performs the count
B. a model-driven app that allows the user to key in inventory counts
C. A Power BI dashboard that shows the inventory counting variances
D. a canvas app that scans barcodes to allow a warehouse worker to select inventory counts

Correct Answer: D

QUESTION 2
You need to replace the bicycle inspection forms.
Which two solutions should you use? Each answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. a flow that maps inspection data to Dynamics 365 Field Service
B. a logic app that guides the technician through the inspection
C. a canvas app that guides the technician through the inspection
D. a model-driven app based on customer service entities

Correct Answer: AD

QUESTION 3
You are building a custom application in Azure to process resumes for the HR department.
The app must monitor submissions of resumes.
You need to parse the resumes and save contact and skills information into the Common Data Service.
Which mechanism should you use?

A. Power Automate
B. Common Data Service plug-in
C. Web API
D. Custom workflow activity

Correct Answer: A

QUESTION 4
You need to add the script for the registration form event handling.
Which code segment should you use?

A. formContext.data.entity.addOnSave(myFunction)
B. formContext.data.addOnLoad(myFunction)
C. formContext.data.removeOnLoad(myFunction)
D. addOnPreProcessStatusChange
E. formContext.data.isValid()

Correct Answer: B

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