It there Outline for TileMap tile?

I want to draw an outline for specific tile. for highlight user’s selecting.

how can I do it?

using 2017.2’s Tilemapsystem.

some code is best, asset is fine too.

Thank you!

112303-outline.png

https://www.reddit.com/r/Unity3D/comments/apw6o8/i_made_a_tutorial_for_an_outline_postprocess/

https://forum.unity.com/threads/free-open-source-outline-effect.314362/