# EffectiveFeatures


[API catalog](/reference/api/) · [Docker Sandboxes overview](/reference/api/sandboxes/latest/) · [Product manual](https://docs.docker.com/ai/sandboxes-api/) · [OpenAPI specification](/reference/api/sandboxes/api.yaml)

API version: v1


> This API is experimental. Features, interfaces,
> and behavior may change.




Schema constraints and annotations:

```json
{
  "description": "EffectiveFeatures is emitted only through the composition representation.",
  "properties": {
    "lifecycle": {
      "$ref": "#/components/schemas/EffectiveCoreLifecycle",
      "description": "lifecycle is required even when no optional feature is selected."
    },
    "managedVolumes": {
      "$ref": "#/components/schemas/EffectiveManagedVolumes",
      "description": "managed_volumes records stable volume identities and concrete attachment modes."
    },
    "outputRetention": {
      "$ref": "#/components/schemas/OutputRetention",
      "description": "output_retention is the persisted per-process reconnect guarantee."
    },
    "timeouts": {
      "$ref": "#/components/schemas/EffectiveTimeouts",
      "description": "timeouts records frozen defaults and the currently armed deadline, if any."
    }
  },
  "required": [
    "lifecycle",
    "outputRetention"
  ],
  "title": "EffectiveFeatures",
  "type": "object"
}
```