# UnpairDeviceInput

input type

Input for unpairDevice (the pairDeviceToRegister twin — clears the binding; the same live-TillSession refusal).

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `deviceId` | [ID](/types/#scalars) `ID!` | yes | No further notes. |
| `expectedRevision` | [ID](/types/#scalars) `ID!` | yes | The device revision the caller read. |

## Used by

- [unpairDevice](/reference/device-fleet/unpairDevice/)