You need to create a new button called blank and use the conditional to hide it.

After that you can use an automation to update this CEO approval with the “blank” value and vóila!

Good luck!

Can you give a screen shot?

Here goes:
 

I’m sorry, I don't understand the logic.  What's happening here?

This is a sample, but it’s the same idea.

Ok let me try.  Thanks

Thank you @Ezequiel Souza it worked.  i used a blank radius select field because i couldn’t find the blank text fields when I selected + 

Solved the problem

Good!!! 

Very good!