sooo i´ve done this and i cannot make recipe get working c:
event.shaped(
Item.of('minecraft:stone', 3), // arg 1: output
[
A: 'minecraft:gold_block',
A: 'minecraft:gold_block',
A: 'minecraft:gold_block',
B: 'minecraft:gold_block',
B: 'minecraft:apple',
B: 'minecraft:gold_block',
C: 'minecraft:gold_block',
C: 'minecraft:gold_block',
C: 'minecraft:gold_block',
],
{
A: 'minecraft:gold_block',
B: 'minecraft:gold_block', 'minecraft:apple', //arg 3: the mapping object
C: 'minecraft:gold_block',
}
)