You should have two files: “ThisWidget” the white file, and “ThisWidget_Child” the blue file. To get the child file, you simply click your widget, drag it into your mod folder (should just be same folder), and click “Create Child Here”
How do you mean? You’re asking how to bind a player list and a button, but it’s only one question? Are you trying to use the same widget and rename the buttons depending on what you’re doing or something?