What should you add to the app?

You need to create the model driven app for accounts designated as referrals.

What should you add to the app?
A . Workflow
B . Subgrid
C . Business rule
D . Flow
E . Chart

Answer: C

Explanation:

When the account is entered into the system, extra fields must appear if the referral customer box is selected. If the box is not selected, the extra fields must not appear.

Note: By combining conditions and actions, you can do any of the following with business rules:

✑ Set column values

✑ Clear column values

✑ Set column requirement levels

✑ Show or hide columns

✑ Enable or disable columns

✑ Validate data and show error messages

✑ Create business recommendations based on business intelligence.

Reference: https://docs.microsoft.com/en-us/powerapps/maker/data-platform/data-platform-create-business-rule