Apply widget disable until Java Script Table View Selected.

Hello, I’m new to Knime and I’m attempting to create a form within my workflow. I would like to ensure that the user makes a selection before applying the widget. If no selection is made, I’d like to display a message or warning to prompt the user to select the table values in the table view JavaScript node. Can someone please provide guidance on how to accomplish this?

Hi @RagunathaPar,

You can do this by filtering the rows based on the selection column (true/false). So, only include “true” values and then use the Emtpy Table Switch node to control the flow. Here is a simple example:


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