# eco.astrosky.transient.meta

> Published by [lexicons.astrosky.eco](https://lexicon.garden/identity/did:plc:prqcuvros7du3jmyotr3iuap)

✓ This is the authoritative definition for this NSID.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:prqcuvros7du3jmyotr3iuap/eco.astrosky.transient.meta)
- [Documentation](https://lexicon.garden/lexicon/did:plc:prqcuvros7du3jmyotr3iuap/eco.astrosky.transient.meta/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:prqcuvros7du3jmyotr3iuap/eco.astrosky.transient.meta/examples)

## Definitions

### `eco.astrosky.transient.meta`

**Type**: `record`

Metadata record providing additional context or data on an existing published astronomical transient.

**Key**: `tid`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `createdAt` | `string` (datetime) | Yes | Client-declared timestamp when this metadata was originally created. |
| `data` | `object` | Yes | Arbitrary JSON object containing provided metadata or measurements about an event. Currently schema-free, but try to keep these entries self-consistent with your own work, while also using common property names (such as 'ra' or 'dec'.) |
| `description` | `string` | No | Optional additional context about provided metadata. This field can be up to 2000 characters, but try to keep this concise. |
| `eventRef` | `ref` → `com.atproto.repo.strongRef` | Yes | Strong reference to the event that this metadata relates to. |
| `title` | `string` | Yes | Title of the provided metadata. |

## Raw Schema

```json
{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Metadata record providing additional context or data on an existing published astronomical transient.",
      "key": "tid",
      "record": {
        "properties": {
          "createdAt": {
            "description": "Client-declared timestamp when this metadata was originally created.",
            "format": "datetime",
            "type": "string"
          },
          "data": {
            "description": "Arbitrary JSON object containing provided metadata or measurements about an event. Currently schema-free, but try to keep these entries self-consistent with your own work, while also using common property names (such as 'ra' or 'dec'.)",
            "type": "object"
          },
          "description": {
            "description": "Optional additional context about provided metadata. This field can be up to 2000 characters, but try to keep this concise.",
            "maxLength": 2000,
            "type": "string"
          },
          "eventRef": {
            "description": "Strong reference to the event that this metadata relates to.",
            "ref": "com.atproto.repo.strongRef",
            "type": "ref"
          },
          "title": {
            "description": "Title of the provided metadata.",
            "maxLength": 200,
            "type": "string"
          }
        },
        "required": [
          "title",
          "eventRef",
          "data",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "id": "eco.astrosky.transient.meta",
  "lexicon": 1
}
```