MB-230 Extend Customer Service Practice Question
You are configuring Omnichannel for Customer Service. The contact center manager wants to ensure that when a customer starts a chat, the system automatically identifies the customer by their phone number or email address, and if the customer is not found, creates a new contact record. Which feature should you configure to achieve this?
⚠ Common exam trap
A common mix-up: candidates confuse customer identification rules with Unified Routing rules, assuming that routing rules handle customer lookup and creation.
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
✓
Customer identification rules
Customer identification rules are part of Omnichannel for Customer Service and allow you to define how to match incoming chat or messaging customers to existing contact records using fields like phone number, email, or custom attributes. If no match is found, you can configure the rule to create a new contact. This automates the identification process and reduces agent effort.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Unified Routing rules
Why it's wrong here
Unified Routing rules determine how work items are routed to queues and agents based on attributes. They do not handle customer identification or contact creation. While routing rules can use customer data, they do not perform the lookup or creation of contact records.
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Workstream configuration
Why it's wrong here
Workstreams define the channels and routing configuration for a specific line of business. They do not include customer identification logic. While a workstream can be associated with identification rules, the actual identification and creation of contacts is handled by customer identification rules, not the workstream itself.
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Context variables
Why it's wrong here
Context variables are used to pass data between channels and the system, such as pre-chat survey responses. They can be used in routing rules, but they do not automatically identify or create contacts. They are a mechanism for data transfer, not for customer resolution.
- ✓
Customer identification rules
Why this is correct
Customer identification rules in Omnichannel for Customer Service automatically identify customers based on attributes like phone number or email. If no match is found, you can configure the system to create a new contact record. This is exactly the feature designed for this requirement.
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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