MB-230 Extend Customer Service Practice Question
You are using the Customer Service workspace and need to create a custom channel integration. Which technology allows you to pass data from a custom channel provider to the Dynamics 365 agent interface?
⚠ Common exam trap
Candidates often confuse the broader Unified Service Desk options with modern workspace technologies, mistakenly choosing server-side plugins or standard web resources instead of the specific Channel Integration Framework (CIF) API for client-side passing.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Channel Integration Framework (CIF) API
The Channel Integration Framework (CIF) provides a robust JavaScript API that allows external systems to communicate with the Dynamics 365 environment. By utilizing the CIF library methods, such as 'notifyEvent' or 'setContext', developers can pass real-time data from a third-party telephony or chat provider directly into the agent workspace, enabling context-aware interactions and improved productivity during customer engagements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Power Pages Web API
Why it's wrong here
Power Pages Web API is designed for external portal interactions. It does not provide the necessary hooks or communication channels to interact with the internal Customer Service workspace agent interface or pass data between a telephony integration and a CRM case record form context.
- ✓
Channel Integration Framework (CIF) API
Why this is correct
The CIF API is specifically built for this purpose. It enables seamless communication between the custom communication widget (hosted as an iframe) and the Dynamics 365 workspace, allowing developers to trigger actions, search for records, and pass context data during incoming interactions.
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Dataverse Web API
Why it's wrong here
While the Dataverse Web API can perform CRUD operations on records, it is not optimized for real-time UI messaging between an external provider's widget and the agent's desktop environment. CIF provides a more direct and efficient way to bridge the gap between UI components.
- ✗
Custom Connector
Why it's wrong here
Custom connectors are intended for Power Automate and Power Apps data integration. They are not suitable for driving UI-level communication or real-time event handling within the Customer Service workspace, as they lack the client-side libraries required for rendering and event orchestration in the agent's browser.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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