# announcement-expiration

From **GitHub v3 REST API**.

The time at which the announcement expires. This is a timestamp in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format: `YYYY-MM-DDTHH:MM:SSZ`. To set an announcement that never expires, omit this parameter, set it to `null`, or set it to an empty string.

- Type: `string`
- Format: `date-time`
- Nullable: true
- Example: `"2021-01-01T00:00:00.000-07:00"`

## JSON Schema

```json
{"description":"The time at which the announcement expires. This is a timestamp in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format: `YYYY-MM-DDTHH:MM:SSZ`. To set an announcement that never expires, omit this parameter, set it to `null`, or set it to an empty string.","example":"\"2021-01-01T00:00:00.000-07:00\"","format":"date-time","nullable":true,"type":"string"}
```

## Example

```json
"2021-01-01T00:00:00.000-07:00"
```