# NodeJS ## Node.js Attributes Describes Node.js related attributes. | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `nodejs.eventloop.state` | string | The state of event loop time. | `active`; `idle` |  | --- `nodejs.eventloop.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `active` | Active time. |  | | `idle` | Idle time. |  |