Guidance: Ensure Proper Configuration with a Product Rule

Create a summary variable to sum solar panels

• Variable Name: Solar Panel Sum
• Target Object: Product Option
• Aggregate Function: Sum
• Filter Field: Product Code
• Operator: equals
• Filter Value: SOLARPANEL400W

Create a summary variable to sum microinverters

• Variable Name: Microinverter Sum
• Target Object: Product Option
• Aggregate Function: Sum
• Filter Field: Product Code
• Operator: equals
• Filter Value: MICROINVERTER

Create a product rule

• Product Rule Name: Enforce Microinverter Quantity
• Type: Validation
• Scope: Product
• Evaluation Event: Save
• Active: true
• Conditions Met: All
• Message: You must include at least as many microinverters as you have solar panels

On the product rule, create the first error condition

• Tested Variable: Microinverter Sum
• Operator: greater than
• Filter Type: Value
• Filter Value: 0

On the product rule, create the second error condition

• Tested Variable: Microinverter Sum
• Operator: less than
• Filter Type: Variable
• Filter Variable: Solar Panel Sum

On the product rule, create a configuration rule

• Active: true
• Product: Solar Controller Hub