tile script help

[craig17]

I was trying to insert this into the the fist lvl (unstick me lvl )
{addtiledef tileset.png,wasteland_,1} so that the tileset would showup offline and also online, but i keep getting glitched up lvl and no tileset. the tileset is all in the right folder its my lack of scripting skills, i used to know the otherway useing the tiledef notepad but i forget what to put in there can i get the answers to both of these please
thanks alot
Ryguy

pardon me if this dosent make alot of sense im trying to remember and got many ideas on my mind right now and im still quite sick.