//Set icon item
setIcon("minecraft:lapis_ore")

//Set title String
setTitle("Lapis Ore!")

//Set description String
setDescription("Mine that Lapis Lazuli!!")

//Set the parent advancement. The syntax is "modid:folder/path/to/the/advancement/then/filename"
setParent("triumph:betterwithmods/ironpick")

//Adds criteria named "brokeIron" with the trigger type "triumph:player_break_block". This function returns the criteria as an object
criteria = addCriteria("brokeLapis", "triumph:player_break_block")

//Sets the required block ore dict for the criteria. A block from this ore dict needs to be broken by the player.
criteria.setBlock("minecraft:lapis_ore")