

//Set icon item

setIcon(<minecraft:emerald>)



//Set title String

setTitle("Weird Man give Shinies")



//Set description String

setDescription("Trade for an emerald with a villager")



//Add a parent advancement. The syntax is "modid:folder/path/to/the/advancement/then/filename"

addParent("triumph:example/root")



//Set the position

setPos(11,113)



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

hideLines()



//Adds criteria named "traded" with the trigger type "minecraft:villager_trade". This function returns the criteria as an object

criteria = addCriteria("traded", "minecraft:villager_trade")



//Sets the required entity type for the criteria. This is the entity that the player must trade with.

criteria.setEntityType("minecraft:villager")



//Sets the required item for the criteria. This is the item that must be traded for.

criteria.setItem(<minecraft:emerald>)