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Validation Rules in Flow

Overview​

This guide demonstrates how to create validation rules in Salesforce using the Flow Builder, a newer approach that complements traditional validation rules.

Prerequisites​

  • Salesforce org with Flow Builder permission enabled
  • Opportunity object with "Terms in Months" and "Stage Name" fields

Step-by-Step Implementation​

1. Create a Record-Triggered Flow​

  • Open Flow Builder and select the "Record-Triggered Flow" template
  • Configure these properties:
    • Flow Name: Validation Rule Test
    • API Name: Validation_Rule_Test
    • Trigger: Record is updated or created
    • Object: Opportunity

2. Set Entry Conditions​

Keep entry conditions broad initially for flexibility during setup.

3. Define Validation Logic​

Create a validation rule that checks:

  • Trigger condition: Stage Name changes
  • Error condition: Terms in Months field is empty AND Stage Name equals "Use Case Defined"

4. Add Custom Error Element​

  • Label: Custom Error Message
  • Display Type: In a window
  • Message: "Please add Terms in Months to move into the Use Case Defined stage."

5. Activate​

Save and activate your flow to enable validation.

Key Benefits​

Execute Priority: Validation rules in a flow can be executed first before every other flow, which prevents users from seeing confusing error messages.

Centralized Management: Aggregate multiple validation rules into one flow for easier maintenance and reduced complexity.

Conclusion​

Flow-based validation rules provide enhanced control over data quality and user experience in Salesforce implementations.