# Payment-SubscriptionId

A unique identifier of the Subscription. If specified the payment is attached to this Subscription.

**string**Payment-SubscriptionId

A unique identifier of the Subscription. If specified the payment is attached to this Subscription.

**Example:<!-- -->&#x20;**`575bcd84-09fc-4a6e-8c4c-f88b8eb90bfa`

Payment-SubscriptionId

```
"575bcd84-09fc-4a6e-8c4c-f88b8eb90bfa"
```