# Interface: BackchannelAuthenticationGrantPollOptions

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## Properties

### DPoP?

• `optional` **DPoP?**: [`DPoPHandle`](DPoPHandle.md)

DPoP handle to use for requesting a sender-constrained access token.
Usually obtained from [getDPoPHandle](../functions/getDPoPHandle.md)

#### See

[RFC 9449 - OAuth 2.0 Demonstrating Proof of Possession (DPoP)](https://www.rfc-editor.org/rfc/rfc9449.html)

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### signal?

• `optional` **signal?**: [`AbortSignal`](https://developer.mozilla.org/docs/Web/API/AbortSignal)

AbortSignal to abort polling. Default is that the operation will time out
after the indicated expires_in property returned by the server in
[initiateBackchannelAuthentication](../functions/initiateBackchannelAuthentication.md)