

//Set icon item

setIcon(<minecraft:iron_sword>)



//Set title String

setTitle("Caveman hate spider!")



//Set description String

setDescription("Crush a spider.")



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

addParent("triumph:example/root")



//Set the position

setPos(34,41)



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

hideLines()



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

criteria = addCriteria("killed_spider", "minecraft:player_killed_entity")



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

criteria.setEntityType("minecraft:spider")