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HamidBee
Super User
Super User

What is meant by 'Dataverse allows you to easily apply business logic'?

I read the following on 'Microsoft Learn':

 

"Logic: Dataverse allows you to easily apply business logic at the data level. Regardless of how a user is interacting with the data, the same rules apply. These rules could be related to duplicate detection, business rules, workflows, or more."

 

https://learn.microsoft.com/en-gb/training/modules/introduction-common-data-service/2-overview

 

What is meant here by business logic?. Could someone please provide an example of Dataverse applying business logic?.

 

Thanks in advance. 

2 ACCEPTED SOLUTIONS

Accepted Solutions
KeithAtherton
Most Valuable Professional
Most Valuable Professional

Hi @HamidBee. "Business logic at the data level" refers to the way we can implement business logic at the data layer (instead of the app layer).

 

The following business rule actions can be used by canvas and model-driven apps:

  • Set column values
  • Clear column values
  • Validate data and show error messages

 

Model-driven apps can also use business rules to:

  • Show or hide columns (model-driven apps only)
  • Enable or disable columns (model-driven apps only)
  • Create business recommendations based on business intelligence (model-driven apps only)

 

More info: https://learn.microsoft.com/en-gb/training/modules/introduction-common-data-service/6-business-rules

 

Examples of creating business rules: https://learn.microsoft.com/en-us/power-apps/maker/data-platform/data-platform-create-business-rule


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timl
Super User
Super User

@HamidBee 


>> Could someone please provide an example of Dataverse applying business logic?

We commonly use business rules to set field values, set mandatory fields, or to show/hide fields.

They are fully supported in model-driven apps only and therefore, they are almost exclusively used for that particular app type.

 

To give some use case scenarios:

1. On a form, if the user sets the status of a record to "completed", we can apply a business rule to unhide the "completion date" field, set the default the value to todays date, and to make it mandatory. The "businesss logic" here would be - "if the record status is completed, a completion date must be entered".

 

2. A characteristic of a business rule is that Power Apps implements the rule using JavaScript in model driven apps. This means that the rule applies instantaneously without needing a round-trip to the server. Therefore, we can use this behaviour to try and implement logic that we would typically implement in a canvas app by writing formula in the OnChange property of a text input (or other control). This is important because no such user customisable event exists for model driven apps.

 

3. In your post the other day, you mentioned the use of the CDM. Let's suppose you create an app that's based on the standard "contact" table and you want to make 5 fields mandatory (the "business logic" here would be "[5 x] fields are required") . If you were to make those fields mandatory in table designer, that rule would apply to every single app that uses the table.

To scope this rule so that it applies to your app only, you can create a custom form for your app and apply a business rule to your form. Therefore, we can use business rules to apply mandatory fields to specific apps only.

 

Hopefully, this gives you a bit more insight as to the purpose of business rules.

 

 

 

 

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2 REPLIES 2
KeithAtherton
Most Valuable Professional
Most Valuable Professional

Hi @HamidBee. "Business logic at the data level" refers to the way we can implement business logic at the data layer (instead of the app layer).

 

The following business rule actions can be used by canvas and model-driven apps:

  • Set column values
  • Clear column values
  • Validate data and show error messages

 

Model-driven apps can also use business rules to:

  • Show or hide columns (model-driven apps only)
  • Enable or disable columns (model-driven apps only)
  • Create business recommendations based on business intelligence (model-driven apps only)

 

More info: https://learn.microsoft.com/en-gb/training/modules/introduction-common-data-service/6-business-rules

 

Examples of creating business rules: https://learn.microsoft.com/en-us/power-apps/maker/data-platform/data-platform-create-business-rule


If I have answered your question, please mark your post as Solved.
If you like my response, please give it a Thumbs Up.

timl
Super User
Super User

@HamidBee 


>> Could someone please provide an example of Dataverse applying business logic?

We commonly use business rules to set field values, set mandatory fields, or to show/hide fields.

They are fully supported in model-driven apps only and therefore, they are almost exclusively used for that particular app type.

 

To give some use case scenarios:

1. On a form, if the user sets the status of a record to "completed", we can apply a business rule to unhide the "completion date" field, set the default the value to todays date, and to make it mandatory. The "businesss logic" here would be - "if the record status is completed, a completion date must be entered".

 

2. A characteristic of a business rule is that Power Apps implements the rule using JavaScript in model driven apps. This means that the rule applies instantaneously without needing a round-trip to the server. Therefore, we can use this behaviour to try and implement logic that we would typically implement in a canvas app by writing formula in the OnChange property of a text input (or other control). This is important because no such user customisable event exists for model driven apps.

 

3. In your post the other day, you mentioned the use of the CDM. Let's suppose you create an app that's based on the standard "contact" table and you want to make 5 fields mandatory (the "business logic" here would be "[5 x] fields are required") . If you were to make those fields mandatory in table designer, that rule would apply to every single app that uses the table.

To scope this rule so that it applies to your app only, you can create a custom form for your app and apply a business rule to your form. Therefore, we can use business rules to apply mandatory fields to specific apps only.

 

Hopefully, this gives you a bit more insight as to the purpose of business rules.

 

 

 

 

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