# Recovery Objective programs: drill

URL: /code/mcp/recovery-objective/verbs · Id: `page:code/mcp/recovery-objective/verbs`

> The Recovery Objective Verbs drill as MCP do programs, with inputs, result, refusals and an example.

Reference for [Recovery Objective](/business/nouns/recovery-objective), one group of [Recovery Objective programs](/code/mcp/recovery-objective).

### RecoveryObjective.drill
Drill restores one Capability’s records into an isolated namespace and records whether the restore met both objectives. [Verb page](/business/nouns/recovery-objective/drill?interface=mcp).

```text
do: return await $.RecoveryObjective.drill(input)
```

Emits [`RecoveryObjective.drilled`](/business/events/RecoveryObjective.drilled).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `objective` | [Recovery Objective](/business/nouns/recovery-objective) | Yes | The Recovery Objective to prove. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `objective` | [Recovery Objective](/business/nouns/recovery-objective) | Yes | The objective with its last drill result. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```json
{
  "name": "do",
  "arguments": {
    "code": "return await $.RecoveryObjective.drill({ objective: 'recovery_MSAgl5dysq' })"
  }
}
```