Rocket Surgery?? -- getting a variable from the HUD in another blueprint?

ok I want to get the Oculus motion controller Y position say (which I can get fine), and then use that value as an impulse to move a physics cube ( I can add impulses to a physics cube fine.) What I can’t seem to do is send the Oculus motion controller Y position float variable to the physics cube blueprint. Can anyone explain how to do this please? Here’s a pic of the HUD which prints the number on the headset.

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