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

//Set title String
setTitle("Recipe Unlocked!")

//Set description String
setDescription("Unlock the recipe for diamonds")

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

//Set the position
setPos(149,89)

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

//Adds criteria named "unlocked_recipe" with the trigger type "minecraft:recipe_unlocked". This function returns the criteria as an object
criteria = addCriteria("unlocked_recipe", "minecraft:recipe_unlocked")

//Sets the required recipe for the criteria. This is the recipe that the player must unlock.
criteria.setRecipe("minecraft:diamond")