Planet Minecraft

Help! How do you make an entity sink once button is pressed?
I really need help for this as i have tried a multitude of things.

What?

What?

Basically. In Java:
Once a button is pressed. in this case 'z'
The Entity or boat is to sink underwater.

What?

Basically. In Java:
Once a button is pressed. in this case 'z'
The Entity or boat is to sink underwater.

I know nothing about java, but could you just make so that when you pressed "z" the vehicle you were in lost the ability to float, and when you pressed, let's say "X" it regained that ability? Like I said before, I know nothing about java, so this may not help at all.

Also, if I did help, could you tell me?

[WolfOfDoom]

Hmmm.. I dunno if that's possible, but I believe it should be. That being said, I would have no idea how to do so. Hopefully, now that this was bumped, some one who knows will come around.

Don't worry, i have sorted it! I put the wrong name in the constructer. Causing the mod to search for
public void entitySink

and not

public void EntySink

It seems caps locks really does matter!