Is a plugin for MCPE -> NukkitX.
Click here, official site of Nukkit, and download the .jar.
After put him in the folder "plugin".
Start the server.
This plugin is fully configurable.
In the folder plugin you get a folder "Treatment" open it, and you have config.yml, open it.
/t pos set <a/b>: Set the positation selected to the player position.
/t pos get: view actual position.
/t item <a/b>: Set the selected item to item in the player hand.
/t reload: Reload the configuration after the command above.
After the configuration of the message or other directly in the config.yml you must restart the server.