Spawning chickens in 1.6:
spawnMonster("chicken", player.x, player.y+1);
(just change to spawnmonster for 1.5)
Give yourself an item (both 1.5/1.6):
itemGet("arrow");
Message (1.5):
message("Here's a message!", "bad");
“bad” can be changed to the following for different colors:
skill, attack, good, stat, miss, or removed for just white text.