hurt_by_player

First, create the following folder

📂BP

└📄manifest.json

└📚pack_icon.png

└📂functions

　└📄hurt_by_player.mcfunction

Enter your command in hurt_by_player.mcfunction

example: summon ender_crystal

Then enable the addon you created and use the block with hurt_by_player.mcfunction.

And if you perform a certain action, you can execute the hurt_by_player.mcfunction.