# VoucherifySdk::EarningRuleBaseValidityTimeframe

## Properties

| Name | Type | Description | Notes |
| ---- | ---- | ----------- | ----- |
| **duration** | **String** | Defines the amount of time an earning rule will be active in ISO 8601 format. For example, an earning rule with a duration of PT1H will be valid for a duration of one hour. |  |
| **interval** | **String** | Defines the intervening time between two time points in ISO 8601 format, expressed as a duration. For example, an earning rule with an interval of P2D will be valid every other day. |  |