Tri-Inspector/Editor.Samples/Collections/Collections_ListDrawerSettingsSample.cs

using System.Collections.Generic;
using TriInspector;
using UnityEngine;

public class Collections_ListDrawerSettingsSample : ScriptableObject
{
    [ListDrawerSettings(Draggable = true,
        HideAddButton = false,
        HideRemoveButton = false,
        AlwaysExpanded = false)]
    public List<Material> list;

    [ListDrawerSettings(Draggable = false, AlwaysExpanded = true)]
    public Vector3[] vectors;
}