# Read variables into a table

Control / params

A variant of [Set parameters](https://meridian.online/operations/set-parameters).

Turn the current variables or parameters into rows or columns of a table.

Page: <https://meridian.online/operations/set-parameters/read-variables-into-a-table>

## Status

Not built yet.

arcform does not do this yet; it would live in how a Protocol runs. [Its place on the roadmap](https://meridian.online/roadmap#set-parameters)

## What other tools call it

Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3).

- DuckDB: `duckdb_variables` (read 2026-09-27)
- EasyMorph: [`Parameter table`](https://help.easymorph.com/doku.php?id=transformations:parametertable) (read 2026-09-27)
- Apache Hop: [`Get variables`](https://hop.apache.org/manual/latest/pipeline/transforms/getvariable.html) (read 2026-09-27)
- KNIME Analytics Platform: [`Variable to Table Column`](https://api.hub.knime.com/nodes/*ywR0eiu4ka-xmA9D?details=full) (read 2026-09-27)
- KNIME Analytics Platform: [`Variable to Table Row`](https://api.hub.knime.com/nodes/*xuaaDjDeloNmUh0M?details=full) (read 2026-09-27)
- Pentaho Data Integration: [`Get Session Variables`](https://docs.pentaho.com/pdia-data-integration/9.3-data-integration/pdi-transformation-steps-reference-overview) (read 2026-09-27)
- Pentaho Data Integration: [`Get Variables`](https://docs.pentaho.com/pdia-data-integration/9.3-data-integration/pdi-transformation-steps-reference-overview) (read 2026-09-27)
- Talend: [`tContextDump`](https://help.qlik.com/talend/en-US/components/8.0/context/context-component) (read 2026-09-27)