Docs
Utilities
Time Series

# Time Series

`utility.time_series_viewer`

Displays streaming numeric data as a live line chart directly on the canvas. Visualize trends and monitor values in real time.

Icon: `chart.xyaxis.line`

## Ports

### Inlets

Input (any)

### Outlets

Pass-through (any)

## Configuration

Field | Type | Default | Description
--- | --- | --- | ---
`valueKey` | variable picker | — | The payload variable containing the numeric value to plot.
`maxPoints` | number | 100 | Maximum number of data points shown on the chart before older points scroll off.
`yMin` | number | 0 | Minimum value for the Y axis (ignored when autoRange is on).
`yMax` | number | 100 | Maximum value for the Y axis (ignored when autoRange is on).
`autoRange` | boolean | true | Automatically adjust the Y axis range to fit incoming data.

## Output

Passthrough — the incoming payload is forwarded unchanged to downstream nodes.

## Example

Connect a Resource Monitor (CPU mode) to a Time Series node with `valueKey` set to `cpuUsage` to display a live CPU usage graph directly on the canvas.