Jak dodac crafting do skryptu na farmery

mam taki skrypt i jak dodac crafting do farmerow

command /farmer [<text>]:
    trigger:
        player has permission "admin":
            if arg is "boy":
                give player obsidian named "&4BoyFarmer"
            if arg is "sand":
                give player sand named "&4SandFarmer"
            if arg is "kopacz":
                give player bricks named "&4KopaczFosy"
            if arg is "all":
                give player obsidian named "&4BoyFarmer" 
                give player sand named "&4SandFarmer"
                give player bricks named "&4KopaczFosy"
            else:
                send "&7Wpisz &6/farmer <boy/sand/kopacz/all>"
on place obsidian or bricks or sand:
    set {_loc} to location of event-block
    player's tool is bricks named "&4KopaczFosy":
        loop 254 times:
            if block under {_loc} is not bedrock:
                remove 1 from y poss of {_loc}
                set block at {_loc} to air
                set event-block to air
            else:
                exit loop
                stop
    if player's tool is obsidian named "&4BoyFarmer":
        set {_blok} to obsidian
    if player's tool is sand named "&4SandFarmer":
        set {_blok} to sand
    loop 254 times:
        if block under {_loc} is air:
            if block under {_loc} is not bedrock:
                remove 1 from y poss of {_loc}
                set block at {_loc} to {_blok}
        else:
            exit loop
            stop