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# Session

## Session Attributes

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| Attribute  | Type | Description  | Examples  | Stability |
|---|---|---|---|---|
| `session.id` | string | A unique id to identify a session. | `00112233-4455-6677-8899-aabbccddeeff` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `session.previous_id` | string | The previous `session.id` for this user, when known. | `00112233-4455-6677-8899-aabbccddeeff` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
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