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Updated: Sep 29, 2026

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Microsoft AB-400 Exam Overview:

Certification Vendor:Microsoft
Exam Name:Extending Microsoft Power Platform Solutions with Code and AI
Exam Number:AB-400
Available Languages:English
Passing Score:700 out of 1000
Real Exam Qty:40–60
Related Certifications:PL-400 (Retiring, replaced by AB-400)
Exam Price:USD 165 (varies by country/region)
Exam Duration:120 minutes
Exam Format:Multiple-response, Scenario-based questions, Multiple-choice
Certificate Validity Period:1 year
Recommended Training:AB-400 Study Guide (Microsoft Learn)
Microsoft Power Platform Developer Learning Paths
Exam Registration:Microsoft Learn exam page
Pearson VUE scheduling
Exam Way:Online proctored or onsite test center via Pearson VUE
Pre Condition:No formal prerequisites. Recommended experience: Power Platform development, JavaScript/TypeScript/C#, REST APIs, Azure services, ALM practices.
Official Syllabus URL:https://learn.microsoft.com/en-us/credentials/certifications/exams/ab-400/

Microsoft AB-400 Exam Syllabus Topics:

SectionWeightObjectives
Develop integrations10–15%- Create custom connectors
  • 1. Integrate Azure Functions and transform data
    • 2. Implement authentication and policy templates
      • 3. Import Open API definitions
        - Synchronize Dataverse data
        • 1. Implement Upsert operations
          • 2. Use change tracking and alternate keys
            - Publish and consume Dataverse events
            • 1. Select event listening strategies
              • 2. Implement notification services and endpoints
                • 3. Register webhooks, Azure Service Bus, and Event Hub
                  Extend Microsoft Power Platform35–40%- Process workloads by using Azure Functions
                  • 1. Implement scheduled and event-driven triggers
                    • 2. Authenticate using managed identities
                      - Configure cloud flows, workflows, and AI agents
                      • 1. Develop child flows and service principal authentication
                        • 2. Build and integrate Microsoft Foundry and Copilot Studio agents
                          • 3. Implement complex expressions, control flow, error handling, and retry policies
                            - Create Dataverse plug-ins and custom APIs
                            • 1. Configure custom APIs, business events, and managed identity
                              • 2. Develop plug-in business logic and images
                                • 3. Optimize plug-in performance
                                  • 4. Work with event execution pipeline stages and context
                                    • 5. Perform operations using Organization service and Web API
                                      • 6. Register components using Plug-in Registration Tool
                                        - Perform operations by using platform APIs
                                        • 1. Implement retry policies, authentication, and async operations
                                          • 2. Use Dataverse SDK for .NET and Python
                                            • 3. Use Dataverse Web API and Organization service
                                              • 4. Optimize performance, concurrency, transactions, and bulk operations
                                                Extend the user experience25–30%- Build and manage Power Apps code apps
                                                • 1. Configure Content Security Policy (CSP)
                                                  • 2. Configure connections, Dataverse tables, and metadata operations
                                                    • 3. Implement monitoring, deployment, troubleshooting, and optimization
                                                      • 4. Integrate cloud flows, agents, and environment variables
                                                        - Apply business logic in model-driven apps by using client scripting
                                                        • 1. Configure commands, buttons, navigation, dialogs, and notifications
                                                          • 2. Call Dataverse Web API from client scripts
                                                            • 3. Register event handlers
                                                              • 4. Implement Client API object model logic
                                                                - Create Power Apps Component Framework (PCF) code components
                                                                • 1. Configure component manifest and interfaces
                                                                  • 2. Implement component lifecycle events
                                                                    • 3. Package, deploy, and consume components
                                                                      • 4. Implement device, utility, and Web API features
                                                                        Build Microsoft Power Platform solutions15–20%- Design the technical architecture
                                                                        • 1. Design business logic placement
                                                                          • 2. Determine out-of-the-box vs custom functionality
                                                                            • 3. Analyze solution components and implementation approach
                                                                              • 4. Assess security impact on components
                                                                                • 5. Design authentication and authorization
                                                                                  • 6. Select user experience implementation methods
                                                                                    • 7. Select agent-building tools
                                                                                      - Design solution components
                                                                                      • 1. Design reusable Power Apps components
                                                                                        • 2. Design automation workflows
                                                                                          • 3. Design monitoring and alerting
                                                                                            • 4. Design integrations using Dataverse and Azure
                                                                                              • 5. Design Dataverse code components
                                                                                                • 6. Design custom connectors and MCP servers
                                                                                                  • 7. Design custom interfaces and agents
                                                                                                    - Implement application lifecycle management (ALM)
                                                                                                    • 1. Create CI/CD with Power Platform Build Tools
                                                                                                      • 2. Manage solution layers
                                                                                                        • 3. Implement and extend Power Platform Pipelines
                                                                                                          • 4. Manage solution dependencies and environment variables

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