The down arrow is triggering UP enumerator. Apart from that it looks OK.
Do you see the widget on the screen?
Is the input working - if you place a Print String node after any of the button actions, does it show up on the screen in the upper left?
edit: Oh, and one more thing, can you show how you placed the buttons in the widget - maybe they’re overlapping. I’m assuming you’d want something like this:
](filedata/fetch?id=1787768&d=1594683291)