Example - Using aliases for /getpos

In this example, we register the command /getpos that returns the command sender's location. We apply the aliases /getposition, /getloc, /getlocation and /whereami as well, using the withAliases() method.

new CommandAPICommand("getpos")
    // Declare your aliases
    .withAliases("getposition", "getloc", "getlocation", "whereami")
      
    // Declare your implementation
    .executesEntity((entity, args) -> {
        entity.sendMessage(String.format("You are at %d, %d, %d", 
            entity.getLocation().getBlockX(), 
            entity.getLocation().getBlockY(), 
            entity.getLocation().getBlockZ())
        );
    })
    .executesCommandBlock((block, args) -> {
        block.sendMessage(String.format("You are at %d, %d, %d", 
            block.getBlock().getLocation().getBlockX(), 
            block.getBlock().getLocation().getBlockY(), 
            block.getBlock().getLocation().getBlockZ())
        );
    })
      
    // Register the command
    .register();