HI Team,
I am configuring the record list and i have 2 columns completed by and completed on, I wanted to show these columns only when user selelect user filter completed, How can i pass record filter value to showwhen
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The OOTB records based grid does not support that. You would have to implement this in the UI.
As Stefan says, you'll need to custom code this.
Add a local variable that will contain which columns are selected (you can default this to hold both values for each column).
Add a multiple-dropdown that has labels for both columns and values for both columns (values should match those in your local variable).
For each column you can then use fn!contains() on your showWhen attribute e.g. fn!contains(local!selectedColumns, 1) for Column 1 and similarly for your second column.