# RevokeAllDeviceSessionsInput

input type

Input for revokeAllDeviceSessions.

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `deviceId` | [ID](/types/#scalars) `ID!` | yes | No further notes. |
| `reason` | [String](/types/#scalars) `String!` | yes | Why the kill switch fired ('tablet reported stolen') — required, evented. |

## Used by

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