Flow Variables - Usage - Excel Writer - Filename

[takbb]

Hi @alfkah,

I found the following post which may be of assistance. Take a look at this and see if the explanations given there help you.

Unable to use flow variables in e.g. Excel Writer

Hi, I’m relatively new to Knime – I’ve reached the point where I want to create workflows which automatically populate filenames with the current date and so on. My understanding is that this is done in knime using flow variables, but nothing i have done works. In presentation, my problem appears to be that when i click on the variable button to the right of the browse button (when setting the output path and filename for the Excel Writer) the ‘Use Variable’ checkbox appears to be permanently d…