C_THR81 Employee Central Core Practice Question
A company uses Employee Central with multiple legal entities. The administrator needs to ensure that when an employee is hired, the 'Company' field in Job Information is automatically populated based on the selected 'Legal Entity'. The mapping between Legal Entity and Company is stored in a custom MDF object. Which approach should the administrator use to achieve this?
⚠ Common exam trap
The trap here is assuming that default values or dependent picklists can perform dynamic lookups into custom MDF objects, when they lack the necessary logic.
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
✓
Create a business rule on Job Information that triggers on change of Legal Entity, reads the corresponding Company from the custom MDF object using a lookup, and sets the Company field.
To automatically populate Company based on Legal Entity using a custom MDF mapping, a business rule on Job Information that triggers on Legal Entity change and performs a lookup is necessary. This allows dynamic retrieval of the mapped Company and sets it on the Job Information record.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create a business rule on Job Information that triggers on change of Legal Entity, reads the corresponding Company from the custom MDF object using a lookup, and sets the Company field.
Why this is correct
This approach uses a business rule triggered on Legal Entity change to perform a lookup in the custom MDF object and set the Company field accordingly. Business rules can access MDF objects through associations or lookups, allowing dynamic retrieval of the mapped Company. This ensures that when Legal Entity is selected, the Company is automatically populated based on the mapping, meeting the requirement accurately.
- ✗
Use the Manage Data tool to create a picklist for Company that is dependent on the Legal Entity picklist, ensuring only valid combinations are selectable.
Why it's wrong here
Dependent picklists can restrict the available Company values based on Legal Entity, but they do not automatically populate the Company field. The user would still need to manually select the Company, which does not meet the requirement of automatic population. Additionally, this approach requires maintaining picklist dependencies, which may not scale well with a custom MDF mapping.
- ✗
Configure a default value for the Company field in the Job Information object definition, using a formula that references the Legal Entity field.
Why it's wrong here
Object definition default values can only be static or use simple functions, but they cannot perform dynamic lookups into MDF objects based on another field's value. The mapping between Legal Entity and Company is stored in a custom object, which requires a business rule to access. Therefore, this method cannot automatically populate Company based on Legal Entity.
- ✗
Create a business rule on the Legal Entity object that, when saved, updates all associated Job Information records with the corresponding Company.
Why it's wrong here
A business rule on Legal Entity would trigger when the Legal Entity is saved, not when an employee is hired or when Legal Entity is selected in Job Information. It would also need to update multiple Job Information records, which is inefficient and may not cover new hires. This approach does not provide real-time population during the hiring process and could lead to data inconsistencies.
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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 SAP exam blueprint
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