By default, BloX will use the first element in your dropdown as the default text in the dropdown box.

Instead of this value, the following method adds a different default nonselectable value.

Steps for Implementation

1. add the addPlaceholder class to your Input.ChoiceSet
   
2. Add the following script to the script of your BloX widget

   $('.addPlaceholder').prepend('<option value=\"\" disabled selected>Select Filter</option>')

You can update the text "Select Filter" in the script above to customize the placeholder text.

Cheers!