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Creating and using an array flow variable

This workflow shows two options how an array flow variable can be created and used. In this case it is used to control the Possible Choices in the Single Selection Widget node.

Tip: You can recognice that a setting option can be controlled via an array flow variable by the square brackets [ ] in the little icon showing the required flow variable type in the flow variable tab.

This workflow shows two options how an array flow variable can be created and used. In this case it is used to control the PossibleChoices in the Single Selection Widget node.Tip: You can recognice that a setting option can be controlled via an array flow variable by the square brackets [ ] in the little iconshowing the required flow variable type in the flow variable tab. Option 1: Creating a collection cell via the GroupBy node Option 2: Creating a collection cell via the Create Collection Column node Use the array flow variableto control the input optionsGeneratesome exampledataCreate a set,aka collection cell,with the different possible valuesAdd a columnwith a constantvalue for the GroupBy nodeConvert theset into an arrayflow variableTable with differentpossible valuesCreate a collectioncell with the different possible valuesConvert theset into an arrayflow variableUse the array flow variableto control the input options Single SelectionWidget Data Generator GroupBy ConstantValue Column Table Rowto Variable Table Creator Create CollectionColumn Table Rowto Variable Single SelectionWidget This workflow shows two options how an array flow variable can be created and used. In this case it is used to control the PossibleChoices in the Single Selection Widget node.Tip: You can recognice that a setting option can be controlled via an array flow variable by the square brackets [ ] in the little iconshowing the required flow variable type in the flow variable tab. Option 1: Creating a collection cell via the GroupBy node Option 2: Creating a collection cell via the Create Collection Column node Use the array flow variableto control the input optionsGeneratesome exampledataCreate a set,aka collection cell,with the different possible valuesAdd a columnwith a constantvalue for the GroupBy nodeConvert theset into an arrayflow variableTable with differentpossible valuesCreate a collectioncell with the different possible valuesConvert theset into an arrayflow variableUse the array flow variableto control the input optionsSingle SelectionWidget Data Generator GroupBy ConstantValue Column Table Rowto Variable Table Creator Create CollectionColumn Table Rowto Variable Single SelectionWidget

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Created by: kathrinmelcher
Created at: 2022-01-10
On NodePit since: 2022-01-11
Last update: 2025-03-08
Created with KNIME version: v4.5.0

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