Using the Pick tool
Use the Pick tool to pick a tile from the tilemapA GameObject that allows you to quickly create 2D levels using tiles and a grid overlay. More info
See in Glossary or Tile Palette, or hold and drag over multiple Tiles to select more at once. The active tool switches to the Paintbrush Tool once a selection is made, to allow you to immediately paint on the Tilemap with the selected Tile(s).
Select the Pick tool from the toolbar, or by pressing its shortcut key I.
Select tiles on the Tile Palette window or the tilemap in the Scene view with the Pick tool. Hold and drag over multiple cells and tiles to select more at once.
The active tool automatically switches to the Paint tool after you select the tile(s). Paint your selected tile(s) onto the tilemap with Paint tool. test