PerformInteractiveRebinding can't save using ToJson

Unity Engine
,
1

Hey there - I’m trying to develop a settings menu with rebindable controls, but I’m having an issue with saving the actionmap / actionasset. The controls work in the scene that I’m rebinding the controls in, but as I’m calling ToJson, I’m not getting the updated overrides in the outputted json file. I tried calling ToJson on the inputActionAsset, on action.actionMap, and on operation.action.actionMap, but nothing seems to be working. How can I save these controls? Thanks in advance.

public InputActionAsset inputActionAsset;

void RebindCompleted(Button button, InputAction action, InputActionRebindingExtensions.RebindingOperation operation, int bindingNum) {
        rebindingCover.SetActive(false);
        action.Enable();
        operation.Dispose();
        button.transform.GetChild(0).GetComponent<Text>().text = InputControlPath.ToHumanReadableString(operation.action.bindings[bindingNum].overridePath, InputControlPath.HumanReadableStringOptions.OmitDevice);

        action = operation.action;
        string inputAction = action.actionMap.ToJson();

        string destination = Application.persistentDataPath + "/input.json";
       
        File.WriteAllText( destination , inputAction );
    }

    void SetInput(Button button, InputAction action, int bindingNum) {
        rebindingCover.SetActive(true);
        action.Disable();
        var rebindOperation = action.PerformInteractiveRebinding(bindingNum).WithControlsExcluding("<Mouse>/position").WithControlsExcluding("<Mouse>/delta").OnMatchWaitForAnother(0.1f).OnComplete(operation => RebindCompleted(button, action, operation, bindingNum)).Start();
    }

    void CreateInputActionBinding(string name, InputAction action, int bindingNum) {
        RectTransform t = Instantiate(buttonOptionTemplate, category) as RectTransform;
        t.anchoredPosition = new Vector2(t.anchoredPosition.x, -ypos);
        t.GetChild(0).GetComponent<Text>().text = name;
        Button button = t.GetChild(1).GetComponent<Button>();
        button.onClick.AddListener(delegate {SetInput(button, action, bindingNum);});
        Text buttonText = t.GetChild(1).GetChild(0).GetComponent<Text>();
        buttonText.text = InputControlPath.ToHumanReadableString(action.bindings[bindingNum].effectivePath, InputControlPath.HumanReadableStringOptions.OmitDevice);
    }

CreateInputActionBinding("Sprint", inputActionMap.FindAction("Sprint", true), 0);
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