---
title: "Campaign Rule Formula"
type: OpenSpec
status: Draft
domain: Reward Campaign Management
---

# Campaign Rule Formula

## Requirement Definition
Configures the mathematical formula used to calculate the reward, redemption value, or counter increment for a given Rule.

## Process Flow

### Pre-Conditions
- Rule must be created.

## Business Rules

### Execution
- Formulas act on the "Amount to Use (A)" defined in the Rule Header.
- Support mathematical operations (e.g., A * 0.05, A + 10).
- Formulas can be assigned to different tiers based on criteria.
- Formulas can be used to update Pool Balances, or simply update a Counter / Attribute without impacting a Pool.

## Exception Flow
- N/A