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What is Business Rule in Dataverse?


In this article, we are going to learn about Dataverse Business rules, how to create them, what are the usefulness of the rules, what are the limitations to use them with model driven app and canvas apps.

What is Business Rule in Dataverse?

In Dataverse, Business Rules are created to apply logic and validations without writing codes.

Note:

  • Business rules are defined on table and are applied for both model-driven apps and canvas apps if the table is used within the app.
  • If you want to modify existing Business Rule, then you need to deactivate it first.
  • Performance Impact: Power platform supports up to 150 Business Rules on a table, after that you will start experiencing performance degradation.
  • You can see performance issue when any new or existing rules are activated (because the table will start running the rules).
  • Business Rules work with most of the data types like
    • Text
    • Number
    • Choice
    • Date
    • Image
    • Lookup
    • Owner
  • Business Rules Doesn’t work with data type like
    • Choices (Multi-Select)
    • File
    • Language

What can you do using Business Rules?

You can achieve following actions using Business Rules.

  • Set column values
  • Clear column values
  • Set column requirement levels
  • Show or hide columns (Not available for canvas apps)
  • Enable or disable columns (Not available for canvas apps)
  • Validate data and show error messages
  • Create business recommendations based on business intelligence (Not available for canvas apps)

What are the limitations of Business Rules?

  • There is no Exception handling or error handling mechanism for Business rules.
  • We can’t debug or trace business rules.
  • Business rules won’t work at the time of Bulk operations like edits or inserts.
  • Only 10 IF – ELSE conditions are supported in a single Business Rule.
  • JavaScript cannot be called from Business Rules.
  • We can’t show/hide tabs or sections from Business Rules.
  • Business Rule will not work if the field on which the Business Rule is set, is not included on the Form.

How to create Business Rules?

  • Go to https://make.powerapps.com/
  • Open an already created Dataverse table.
  • Click on Business Rules.
    What is Business Rule in Dataverse?
  • Click on New Business Rule.
    What is Business Rule in Dataverse?
  • A separate Business Rule window will open with default condition block already created.
  • You need to set the scope first.
    • Scope = Entity: This scope will be applied on Entity (Table or server side) and all the model-driven app forms.
      If you want to use the rule for canvas app, you can select Table as scope.
    • Scope = All Forms: This scope will be applied on all the model-driven app forms.
    • Scope = Specific Form (Information): This scope will be applied to a specific model-driven app form.
    • Note:
    • Every Rule starts with a condition and, based on that you can apply multiple actions on it.
    • If you want to edit an existing Business Rule, then you must first deactivate it.
  • You can set the Business Rule name and a meaningful description from the top bar of the Rule window.
    What is Business Rule in Dataverse?
  • Now, select the condition block, this will let you modify the condition from the right-side properties window. Here, we are setting the condition: If Title column value equals Mr

    What is Business Rule in Dataverse?
  • If you want to add multiple conditions, you can do so by clicking on New from the right side of the Rules section.
    What is Business Rule in Dataverse?
  • Now, let’s place an action, this will fire in case the above condition is matched. Click on Add (+) from the top navigation, that will prompt you to choose an action from the list.
    What is Business Rule in Dataverse?
  • Here, we are setting a field value in case the above condition is fulfilled.
    Action: It will set the field FullName value to President.
    What is Business Rule in Dataverse?
  • If you want to add more actions for the same condition, you can again click on Add (+) and follow the above steps to add actions.
  • If you want to perform some action when the condition is not match (The ELSE Part), you can drag action on the plus sign at the bottom of the condition as shown in the screenshot.
    What is Business Rule in Dataverse?
  • The Business rule after adding else part.
    What is Business Rule in Dataverse?
  • After the completion, you can Validate and Activate the Business rule.
    What is Business Rule in Dataverse?
  • Until you activate the rule, it will keep showing the Status = off so make sure you Activate to use it.
    What is Business Rule in Dataverse?
  • That’s it. Your Business rule is ready to use.



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