The command effect edit menu can be used to add a new command projectile effect or modify an existing one. It should look like this:

There is a 'Cancel' button, a 'Create' or 'Apply' button, an edit field for the command and a button to choose who will execute the command.

• The 'Cancel' button will take you back to the effects overview you came from without keeping any changes or adding the new effect to the list.
• If you are editing an existing command effect, there will be an 'Apply' button which will take you back to the effects overview you came from while keeping all changes you made in this menu.
• If you are adding a new command effect, there will be a 'Create' button which will take you back to the effects overview you came from and add this new command effect to the effect list.
• The long edit field on the right of 'Command:' is where you are supposed to insert the command you would like to be executed each time the effect is being performed. To make the command execution a little more flexible, there are a couple of 'substitutions' that will occur right before the actual execution of the command:
  • Every occurence of %x% will be replaced by the x-coordinate of the projectile. This will most likely not be an integer.
  • Every occurence of %y% will be replaced by the y-coordinate of the projectile. This will most likely not be an integer.
  • Every occurence of %z% will be replaced by the z-coordinate of the projectile. This will most likely not be an integer.
  • Every occurence of %bx% will be replaced by the x-coordinate of the projectile rounded down. This could be useful for block operations that require integers.
  • Every occurence of %by% will be replaced by the y-coordinate of the projectile rounded down. This could be useful for block operations that require integers.
  • Every occurence of %bz% will be replaced by the z-coordinate of the projectile rounded down. This could be useful for block operations that require integers.
  • Every occurence of %caster% will be replaced by the name of the player who fired the projectile.

• The button on the right of 'Executed by:' can be used to decide by who the command will be executed. The text of the button shows who is currently configured to execute the command, which is SHOOTER by default. You can change this by clicking on the button, which should take you to a small menu where you can choose the executor of the command.

  The executor must be either the shooter of the projectile or the console. If you use the shooter, you need to make sure that all players have the right permissions to execute the command. If you choose the console, you might want to change the gamerules to disable the 'spam' in the console.