Version: 2019.2
public void SwapTile (Tilemaps.TileBase changeTile, Tilemaps.TileBase newTile);

Parameters

changeTileTile to swap.
newTileTile to swap to.

Description

Swaps all existing tiles of changeTile to newTile and refreshes all the swapped tiles.

// Change all occurences of tileA into tileB
using UnityEngine;
using UnityEngine.Tilemaps;

public class ExampleClass : MonoBehaviour { public TileBase tileA; public TileBase tileB;

void Start() { Tilemap tilemap = GetComponent<Tilemap>(); tilemap.SwapTile(tileA, tileB); } }