Not getting mouse input from Input System

Hello!

I’ve been setting up the Input System for my new project. Using the Player Input component I have managed to get key input for WASD movement as a Vector2, but when I use the same setup for the mouse it gets no data from mouse input. I am Invoking Unity Events, I have the setup in the Player Input module configured, and I have tried a few options on the mouse config in Input Actions. (Passthrough, Value, only tried as Vector2 though)
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Here is the OnLook block.

    public void OnLook(InputAction.CallbackContext context)
    {
        look = context.ReadValue<Vector2>();
        Debug.Log($"look xy= {look.x} {look.y}");
     }

That debug worked when troubleshooting my Move input.
I’m getting no log entries, so no events are hitting the CameraInput script object.

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Also, I looked at the input debugging for the Input System, and I could see data there updating for my mouse as I moved it around.

I can’t get mouse buttons either. Other keys, no problem. I could access the mouse delta and clicks directly using the input system. No ideas on why this isn’t working?