| Name | Type | Description | Notes |
|---|---|---|---|
| expiration_date | Integer | Unix epoch time in milliseconds specifying the expiration date | [optional] |
| target_type | String | either the included or excluded variation that the user is targeted on a segment | [optional] |
| user_key | String | Unique identifier for the user | [optional] |
| _id | String | [optional] | |
| _resource_id | UserTargetingExpirationResourceIdForFlag | [optional] | |
| _links | Links | [optional] | |
| _version | Integer | [optional] |