Resolved! Can I remove "Display name" from the result of "ref_ac_columns~" in variable attribute?
I set the following ref_ac_columns condition in variable attribute to make var1 and var2 visible in the reference variable on the Portal. ref_auto_completer=AJAXTableCompleter,ref_ac_columns=var1;var2,ref_ac_columns_search=true,ref_ac_display_value=f...