# Class SessionState (0.5.0)

0.5.0 (latest) 0.4.0 0.3.0 0.2.0 0.1.0

    SessionState(value)

The state that the DeviceSession resides.

| ## Enums ||
|---|---|
| **Name** | **Description** |
| `SESSION_STATE_UNSPECIFIED` | Default value. This value is unused. |
| `REQUESTED` | Initial state of a session request. The session is being validated for correctness and a device is not yet requested. |
| `PENDING` | The session has been validated and is in the queue for a device. |
| `ACTIVE` | The session has been granted and the device is accepting connections. |
| `EXPIRED` | The session duration exceeded the device's reservation time period and timed out automatically. |
| `FINISHED` | The user is finished with the session and it was canceled by the user while the request was still getting allocated or after allocation and during device usage period. |
| `UNAVAILABLE` | Unable to complete the session because the device was unavailable and it failed to allocate through the scheduler. For example, a device not in the catalog was requested or the request expired in the allocation queue. |
| `ERROR` | Unable to complete the session for an internal reason, such as an infrastructure failure. |