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Distinct Column Reader

<p>This tool extracts the unique values from a selected input column and passes them to the agent.<br>The agent can access these values from the data repository and iterate over them, for example identifiers such as team IDs, user scopes, or execution context IDs.<br>This supports multi step API workflows where an initial request returns multiple records and each identifier requires a follow up API call.</p>

This tool extracts the unique values from a selected input column and passes them to the agent.
The agent can access these values from the data repository and iterate over them, for example identifiers such as team IDs, user scopes, or execution context IDs.
This supports multi step API workflows where an initial request returns multiple records and each identifier requires a follow up API call.

Tool: Distinct Column Reader

Read unique values

default-input
Table Reader
Workflow Input
keep column
Column Filter
Select column to inject inthe agent knowledge
Column Selection Configuration
Column Renamer
Concatenate messages
GroupBy
removed missing
Missing Value
Table Row to Variable
Final message
String Manipulation
Empty Table Switch
CASE Switch End
Column Names
Tool Message Output
Rule Engine Variable
Variable to Table Row

Nodes

Extensions

Links

Download

To use this workflow in KNIME, download it from the below URL and open it in KNIME:

Download Workflow
Created by: Francesco Tuscolano
Created at: 2025-11-27
On NodePit since: 2026-02-14
Last update: 2026-02-17
Created with KNIME version: v5.8.1

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