The details about why the customer is not eligible for the reward.
| Name | Type | Description | Notes |
|---|---|---|---|
| FailureCode | string | A code identifying why the customer is not eligible for the reward. | |
| ConditionIndex | long | The index of the eligibility condition that the customer did not meet. Only applicable when `failureCode` is `CONDITION_NOT_MET`. | [optional] |