# PromotionDurationMode

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

How long a promotion keeps discounting a recurring charge once it has been applied to one.

## Values

| Value | Description |
| --- | --- |
| `FirstBillOnly` | Discount only the first bill. |
| `Cycles` | Discount a fixed number of billing cycles. |
| `UntilRemoved` | Discount every bill until someone takes the promotion off the subscription. |

## See also

- [All documentation](https://devportal.demo.winkpg.io/llms.txt): the machine-readable index of every public page on this site.