| Name | Type | Description | Notes |
|---|---|---|---|
| customer_id | String | Unique customer ID of the customer making the purchase. | |
| campaign_id | String | Unique campaign ID, assigned by Voucherify. | |
| tier_id | String | Unique tier ID, assigned by Voucherify. | |
| start_date | String | Activation timestamp defines when the loyalty tier starts to be active in ISO 8601 format. Loyalty tier is inactive before this date. | [optional] |
| expiration_date | String | Expiration timestamp defines when the loyalty tier expires in ISO 8601 format. Loyalty tier is inactive after this date. | [optional] |
| created_at | Time | Timestamp representing the date and time when the loyalty tier was created in ISO 8601 format. | |
| updated_at | Time | Timestamp representing the date and time when the loyalty tier was updated in ISO 8601 format. | [optional] |