# social.coves.notification.updateSeen

> Advance the authenticated account's notification seen time.

- Kind: procedure
- Authority: notification.coves.social
- Lexicon: 1
- Published by [coves.social](https://lexicon.garden/identity/did:web:coves.social), the NSID's authority

## Links

- [Documentation](https://lexicon.garden/lexicon/did:web:coves.social/social.coves.notification.updateSeen)
- [Schema JSON](https://lexicon.garden/lexicon/did:web:coves.social/social.coves.notification.updateSeen/schema.json)
- [Analytics](https://lexicon.garden/lexicon/did:web:coves.social/social.coves.notification.updateSeen/analytics)

## Procedure (`social.coves.notification.updateSeen`)

Type: procedure · POST

### Input (application/json)

- `seenAt` (string · datetime, required): The largest sortAt the client displayed, echoed verbatim. Future times are clamped to server time.

### Errors

- `AccountNotIndexed`: The authenticated account has not been indexed by this AppView yet, so its seen time cannot be stored.

## Schema

```json
{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Advance the authenticated account's notification seen time.",
      "errors": [
        {
          "description": "The authenticated account has not been indexed by this AppView yet, so its seen time cannot be stored.",
          "name": "AccountNotIndexed"
        }
      ],
      "input": {
        "encoding": "application/json",
        "schema": {
          "properties": {
            "seenAt": {
              "description": "The largest sortAt the client displayed, echoed verbatim. Future times are clamped to server time.",
              "format": "datetime",
              "type": "string"
            }
          },
          "required": [
            "seenAt"
          ],
          "type": "object"
        }
      },
      "type": "procedure"
    }
  },
  "id": "social.coves.notification.updateSeen",
  "lexicon": 1
}
```