# dev.sensorthings.observedProperty

> Published by [sensorthings.dev](https://lexicon.garden/identity/did:plc:gqcmwsromoknyigx2afqcvqk)

✓ This is the authoritative definition for this NSID.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:gqcmwsromoknyigx2afqcvqk/dev.sensorthings.observedProperty)
- [Documentation](https://lexicon.garden/lexicon/did:plc:gqcmwsromoknyigx2afqcvqk/dev.sensorthings.observedProperty/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:gqcmwsromoknyigx2afqcvqk/dev.sensorthings.observedProperty/examples)

## Definitions

### `dev.sensorthings.observedProperty`

**Type**: `record`

The phenomenon being observed (e.g. air temperature, PM2.5 concentration).

**Key**: `any`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `name` | `string` | Yes |  |
| `createdAt` | `string` (datetime) | Yes |  |
| `definition` | `string` (uri) | Yes | URI identifying the property from a controlled vocabulary (CF Standard Names, QUDT quantity kinds, etc.) |
| `description` | `string` | No |  |

## Raw Schema

```json
{
  "id": "dev.sensorthings.observedProperty",
  "defs": {
    "main": {
      "key": "any",
      "type": "record",
      "record": {
        "type": "object",
        "required": [
          "name",
          "definition",
          "createdAt"
        ],
        "properties": {
          "name": {
            "type": "string",
            "maxLength": 256
          },
          "createdAt": {
            "type": "string",
            "format": "datetime"
          },
          "definition": {
            "type": "string",
            "format": "uri",
            "description": "URI identifying the property from a controlled vocabulary (CF Standard Names, QUDT quantity kinds, etc.)"
          },
          "description": {
            "type": "string",
            "maxLength": 2048
          }
        }
      },
      "description": "The phenomenon being observed (e.g. air temperature, PM2.5 concentration)."
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1,
  "revision": 1
}
```