Multiple Selection Widget: How I change submissions of Multiple Selection Widget

Hi , I'm Taiwanese and Sorry for my poor English first XD

I have a problem for Multiple Selection 

How can I setting that result is Empty or show nothing instead of "false"

When user choose nothing with Multiple Section

Hello,

Unfortunately, there isn't a way to show nothing when users choose nothing. But I am escalating this problem to our second level. If it will be an update, we will let you know here.

Let us know if you have other questions.