//Set icon item
setIcon(<minecraft:map>)

//Set title String
setTitle("To the forest!")

//Set description String
setDescription("Enter a forest biome")

//Add a parent advancement. The syntax is "modid:folder/path/to/the/advancement/then/filename"
addParent("triumph:example/root")

//Set the position
setPos(57,113)

//Hide the connection lines, so I can have a pretty shape
hideLines()

//Adds criteria named "entered_forest" with the trigger type "minecraft:location". This function returns the criteria as an object
criteria = addCriteria("entered_forest", "minecraft:location")

//Sets the required biome for the criteria. This is the biome the player must be in.
criteria.setBiome("minecraft:forest")