How could I make this a "On key-press" Event?

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*I already tried myself, did not work. and I did consult API documentation.
Video:
https://www.youtube.com/watch?v=FT_gkNI11TY



I am able to press Right click on my mouse and hold the object I want, But I want to configure it to pick the object up by pressing 'E' instead.

Script:

local tool = script.Parent
local bridge = tool:WaitForChild("Bridge")

~~~~~~~~~~~~~~~~~

local function onButton2Down() bridge:FireServer("StartPull") end

local function onButton2Up() bridge:FireServer("StopPull") end

local function onEquipped(mouse: Mouse) local character = tool.Parent local lastTarget, lastPos

local function onMouseIdle()
    local pos = mouse.Hit.Position
    local target = mouse.Target

    if target and target:IsGrounded() then
        target = nil
    end

    if target ~= lastTarget then
        bridge:FireServer("SetTarget", target)
        lastTarget = target
    end

    if not lastPos or (pos - lastPos).Magnitude > 0.1 then
        lastPos = pos
        bridge:FireServer("SetTargetPoint", pos)
    end
end

mouse.TargetFilter = character
mouse.Idle:Connect(onMouseIdle)

mouse.Button2Down:Connect(onButton2Down)
mouse.Button2Up:Connect(onButton2Up)

end

tool.Equipped:Connect(onEquipped)