Implementation of switching fields using enam.

CoordinateTracker.cs

using TMPro;
using UnityEngine;

public sealed class CoordinateTracker : MonoBehaviour
{
    public Coordinate coordinate = Coordinate.XYZ;

    public GameObject targetGameObject;
    public TextMeshProUGUI coordinateX;
    public TextMeshProUGUI coordinateY;
    public TextMeshProUGUI coordinateZ;

    private void Awake() => EventContainer.OnCoordinateTracker += DisplayingObjectCoordinates;

    private void DisplayingObjectCoordinates()
    {
        switch (coordinate)
        {
            case Coordinate.X: coordinateX.text = $"{(int)targetGameObject.transform.position.x}:X"; break;
            case Coordinate.Y: coordinateY.text = $"{(int)targetGameObject.transform.position.y}:Y"; break;
            case Coordinate.Z: coordinateZ.text = $"{(int)targetGameObject.transform.position.z}:Z"; break;
            case Coordinate.XY:
                coordinateX.text = $"{(int)targetGameObject.transform.position.x}:X";
                coordinateY.text = $"{(int)targetGameObject.transform.position.y}:Y";
                break;
            case Coordinate.XZ:
                coordinateX.text = $"{(int)targetGameObject.transform.position.x}:X";
                coordinateZ.text = $"{(int)targetGameObject.transform.position.z}:Z";
                break;
            case Coordinate.YZ:
                coordinateY.text = $"{(int)targetGameObject.transform.position.y}:Y";
                coordinateZ.text = $"{(int)targetGameObject.transform.position.z}:Z";
                break;
            case Coordinate.XYZ:
                coordinateX.text = $"{(int)targetGameObject.transform.position.x}:X";
                coordinateY.text = $"{(int)targetGameObject.transform.position.y}:Y";
                coordinateZ.text = $"{(int)targetGameObject.transform.position.z}:Z";
                break;
        }
    }
}

CoordinateTrackerEditor.cs

using UnityEditor;

[CanEditMultipleObjects]
[CustomEditor(typeof(CoordinateTracker))]
public sealed class CoordinateTrackerEditor : Editor
{
    private CoordinateTracker coordinateTracker;
    private SerializedProperty targetGameObject;

    private SerializedProperty coordinate;
    private SerializedProperty coordinateX;
    private SerializedProperty coordinateY;
    private SerializedProperty coordinateZ;

    private void OnEnable()
    {
        coordinateTracker = target as CoordinateTracker;
        {
            targetGameObject = serializedObject.FindProperty("targetGameObject");

            coordinate = serializedObject.FindProperty("coordinate");
            coordinateX = serializedObject.FindProperty("coordinateX");
            coordinateY = serializedObject.FindProperty("coordinateY");
            coordinateZ = serializedObject.FindProperty("coordinateZ");
        }
    }

    public override void OnInspectorGUI()
    {
        serializedObject.Update();
        {
            EditorGUILayout.PropertyField(targetGameObject);
            EditorGUILayout.Space();
            EditorGUILayout.PropertyField(coordinate);
            {
                if (coordinateTracker.coordinate == Coordinate.X)
                    EditorGUILayout.PropertyField(coordinateX);

                if (coordinateTracker.coordinate == Coordinate.Y)
                    EditorGUILayout.PropertyField(coordinateY);

                if (coordinateTracker.coordinate == Coordinate.Z)
                    EditorGUILayout.PropertyField(coordinateZ);

                if (coordinateTracker.coordinate == Coordinate.XY)
                {
                    EditorGUILayout.PropertyField(coordinateX);
                    EditorGUILayout.PropertyField(coordinateY);
                }

                if (coordinateTracker.coordinate == Coordinate.XZ)
                {
                    EditorGUILayout.PropertyField(coordinateX);
                    EditorGUILayout.PropertyField(coordinateZ);
                }

                if (coordinateTracker.coordinate == Coordinate.YZ)
                {
                    EditorGUILayout.PropertyField(coordinateY);
                    EditorGUILayout.PropertyField(coordinateZ);
                }

                if (coordinateTracker.coordinate == Coordinate.XYZ)
                {
                    EditorGUILayout.PropertyField(coordinateX);
                    EditorGUILayout.PropertyField(coordinateY);
                    EditorGUILayout.PropertyField(coordinateZ);
                }
            }
        }
        serializedObject.ApplyModifiedProperties();
    }
}