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

//Set title String
setTitle("Right clicking with an item")

//Set description String
setDescription("Right click with a diamond")

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

//Set the position
setPos(172,41)

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

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

//Sets the required item for the criteria. This is the item that needs to be right clicked with by the player.
criteria.setItem(<minecraft:diamond>)