---
title: "OLS Transaction Code"
type: OpenSpec
status: Draft
domain: Reward Campaign Management
---

# OLS Transaction Code

## Requirement Definition
Every transaction processed against Campaign Rules must have an OLS Transaction Code (TC). It acts as the primary key to locate relevant Campaign Rules.

## Process Flow

### Pre-Conditions
- Users must have access rights in the module.

## Business Rules

### Data Schema

| Field Name | Description | Logic Type | Constraints / Rules |
|---|---|---|---|
| OLS Transaction Code | The internal transaction code. | String (10) | Required. |
| Description | Description of the code. | String (30) | Required. |
| External Transaction Code | The mapped external TCs. | List of Strings | Optional. Many External TCs can map to one OLS TC. |
| Reversal Indicator | Indicates if this is a reversal. | Boolean | Default False. |

### Execution
- Supports internal transactions (e.g., CEP Batch generated) that do not have an External TC.
- Supports Maker-Checker approval workflow (Pending -> Active).

## Exception Flow
- N/A