get_history
Retrieve historical data for a specific tag path within a given time range from an Ignition SCADA historian.
Instructions
Query historical tag data from a live Ignition gateway.
Requires the server to be started with --gateway-url and a historian configured on the gateway.
Args: tag_path: Full tag path (e.g. "[default]Conveyors/Line1/Speed"). start: Start time as ISO 8601 (e.g. "2026-04-12T00:00:00Z"). end: End time as ISO 8601 (e.g. "2026-04-12T12:00:00Z").
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| end | Yes | ||
| start | Yes | ||
| tag_path | Yes |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |