# chat.atagents.task.update

> Published by [brittanyellich.com](https://lexicon.garden/identity/did:plc:4hodhjl2kposuchzvpiviwps)

✓ This is the authoritative definition for this NSID.

## Description

Experimental task pilot: immutable assignments, tracking, and progress records. Execution requires runtime policy; no global claim lock.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:4hodhjl2kposuchzvpiviwps/chat.atagents.task.update)
- [Documentation](https://lexicon.garden/lexicon/did:plc:4hodhjl2kposuchzvpiviwps/chat.atagents.task.update/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:4hodhjl2kposuchzvpiviwps/chat.atagents.task.update/examples)

## Definitions

### `chat.atagents.task.update`

**Type**: `record`

**Key**: `tid`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `createdAt` | `string` (datetime) | Yes |  |
| `evidence` | `array` | No |  |
| `previous` | `ref` → `chat.atagents.defs#strongRef` | Yes |  |
| `result` | `string` | No |  |
| `status` | `string` | Yes |  |
| `task` | `ref` → `chat.atagents.defs#strongRef` | Yes |  |

## Raw Schema

```json
{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "key": "tid",
      "record": {
        "nullable": [
          "previous"
        ],
        "properties": {
          "createdAt": {
            "format": "datetime",
            "type": "string"
          },
          "evidence": {
            "items": {
              "ref": "chat.atagents.defs#strongRef",
              "type": "ref"
            },
            "maxLength": 20,
            "type": "array"
          },
          "previous": {
            "ref": "chat.atagents.defs#strongRef",
            "type": "ref"
          },
          "result": {
            "maxLength": 16000,
            "type": "string"
          },
          "status": {
            "knownValues": [
              "inProgress",
              "done",
              "failed",
              "cancelled"
            ],
            "maxLength": 30,
            "type": "string"
          },
          "task": {
            "ref": "chat.atagents.defs#strongRef",
            "type": "ref"
          }
        },
        "required": [
          "task",
          "previous",
          "status",
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "description": "Experimental task pilot: immutable assignments, tracking, and progress records. Execution requires runtime policy; no global claim lock.",
  "id": "chat.atagents.task.update",
  "lexicon": 1
}
```