Unity Editor script to export Tilemaps (x,y) position

gistfile1.txt

using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using UnityEngine.Tilemaps;

[CustomEditor(typeof(Tilemap))]
public class CollisionsScript : Editor
{
    private Tilemap tilemap { get { return (target as Tilemap); } }
    public BoundsInt area;

    public override void OnInspectorGUI()
    {
        DrawDefaultInspector();

        if(GUILayout.Button("EXPORT"))
        {
            Debug.Log("APERTOU");

            BoundsInt bounds = tilemap.cellBounds;
            TileBase[] allTiles = tilemap.GetTilesBlock(bounds);

            for (int x = 0; x < bounds.size.x; x++)
            {
                for (int y = 0; y < bounds.size.y; y++)
                {
                    TileBase tile = allTiles[x + y * bounds.size.x];
                    if (tile != null)
                    {
                        Debug.Log("x:" + x + " y:" + y + " tile:" + tile.name);
                    }
                }
            }
        }
    }
}

Based on:
https://gamedev.stackexchange.com/questions/150917/how-to-get-all-tiles-from-a-tilemap