How to change default value of blueprint by Editor Utility Widget?

Hello, I’m working on the create my own plugin. And in my plugin content,There are Editor Utility Widget Blueprint and a Actor component Blueprint.
This Editor utility widget gets an input as a variable of the same type as the variable in actor component blueprint. And I want to change default value of this variable in actor component at Editor not runtime(This is the purpose of by Using Editor Utility Widget).
How could I change it?