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# DiagnosticEvent

> A single diagnostic event in the session timeline.

A single diagnostic event in the session timeline.

## **Properties**

**`category`** `error | call | connection | device | recovery` — required

Category of the event.

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**`details`** `Readonly<Record<string, unknown>>`

Additional details about the event.

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**`event`** `string` — required

Event description string.

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**`timestamp`** `number` — required

Timestamp when the event occurred (epoch ms).

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