So, starting from a Joystick Get Values vi,
- Hover over the buttons output node, right-click and choose Array Palette->Array To Cluster
- Drop the icon on the block diagram and wire it to the button output node
- On the Array To Cluster output, right-click and choose Cluster, Class & Variant Palette->Unbundle By Name
- Drop the icon on the block diagram and wire it to the Array To Cluster output node
- Finally, if you hover over the bottom middle of the Button box you will see a small blue square and the pointer will turn to a double-headed arrow. Click and hold on the blue square and drag it down to expose more buttons.