Why is this remote function not affecting the client?

Here is the LocalScript:

local repStorage = game:GetService("ReplicatedStorage")
local eventsFunctions = repStorage:WaitForChild("Events/Functions")
local neededFunction = eventsFunctions:FindFirstChild("RemoteFunction")
local success, message = pcall(function()
    if neededFunction then
        print("arrived at the event") -- this prints
        neededFunction.OnClientInvoke:Connect(function(box)
            print("fired") -- this never prints
            if box:IsA("BasePart") then
                for i = 0.1, 1 do
                    wait(1)
                    box.Transparency = i
                end
            end
        end)
    end
end)
if success then
    print("Happy")
end

Here is the server script:

local remoteFunction = game:GetService("ReplicatedStorage"):FindFirstChild("Events/Functions").RemoteFunction
print("got here") -- this prints
remoteFunction:InvokeClient(player, boxCopy) -- note: player is this: local player = players:GetPlayerFromCharacter(hit.Parent) I do check to see if hit.Parent:FindFirstChild("Humanoid"). players is: game:GetService("Players")              
awardBoxPrize(boxCopy, playerInfo, prize)               
boxCopy:Destroy()

Quick note: All the names and variable assignments are prototypes. This is not how I normally format things. Please refrain from commenting on that kind of stuff. It will be changed when I figure out how to make this work. Thanks!