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

//Set title String
setTitle("Harvesting a block")

//Set description String
setDescription("Harvest a netherrack block")

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

//Set the position
setPos(103,41)

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

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

//Sets the required block for the criteria. This is the block that needs to be harvested by the player.
criteria.setBlock(<minecraft:netherrack>)