# SubskribeDevClient::UsageAggregateOutput ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **subscription_id** | **String** | | [optional] **subscription_charge_group_id** | **String** | | [optional] **attribute_references** | [**Array<AttributeReference>**](AttributeReference.md) | | [optional] **start_at** | **Integer** | | [optional] **end_at** | **Integer** | | [optional] **observed_data_points** | **Integer** | | [optional] **usage_sum** | **Float** | | [optional] **usage_max** | **Float** | | [optional] **usage_min** | **Float** | | [optional]