|`application_fee`| The fee in cents that will be applied to the invoice and transferred to the application owner's Stripe account when the invoice is paid|

|`attempt_count`| Number of payment attempts made for this invoice, from the perspective of the payment retry schedule|

|`attempted`| Whether an attempt has been made to pay the invoice|

|`billing_reason`| The reason for the invoice.|

|`charge_id`| ID of the latest charge generated for this invoice, if any|

|`currency`| Three-letter ISO currency code, in lowercase|

|`customer_id`| ID of the customer|

|`description`| An arbitrary string attached to the object|

|`due_date`| The invoice's due date.|

|`ending_balance`| Ending customer balance after the invoice is frozen|

|`metadata`| A set of key-value pairs that describe additional information about the object|

|`paid`| Whether payment was successfully collected for this invoice|

|`application_fee_percent`| This represents the percentage of the subscription invoice subtotal that will be transferred to the application owner's Stripe account|

|`cancel_at_period_end`| If the subscription has been canceled with the`at_period_end` flag set to true,`cancel_at_period_end` on the subscription will be true|

|`canceled_at`| If the subscription has been canceled, the date of that cancellation. If the subscription was canceled with`cancel_at_period_end`,`canceled_at` will still reflect the date of the initial cancellation request, not the end of the subscription period when the subscription is automatically moved to a canceled state.|

|`collection_method`| The method used to collect the subscription.|

|`created`| Time at which the object was created. Measured in seconds since the Unix epoch.|

|`current_period_end`| End of the current period that the subscription has been invoiced for. At the end of this period, a new invoice will be created.|

|`current_period_start`| Start of the current period that the subscription has been invoiced for.|