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# <a id="bitdrift.public.unary.issues.v1.Event"></a>Event

An aggregate of the number of instances of the issue group.
 With the count being the sum of instances within a time window.

| Field | Type | Description |
|---|---|---|
| period_start | <span class="proto-type proto-type-well-known">[google.protobuf.Timestamp](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp){ title="google.protobuf.Timestamp"}</span> | The timestamp at which the time window begins. |
| count | <span class="proto-type proto-type-primitive">uint64</span> | The number of instances within the time window. |

#### Example
```json
{
  "count": 42,
  "period_start": "2024-01-15T09:30:00Z"
}
```