my_inventory_menu:
    type: inventory
    title: My inventory Menu
    size: 27
    slots:
    - "[i@my_inventory_menu_slot1] [] [] [] [] [] [] [] []"
    - "[] [] [] [] [] [] [] [] []"
    - "[] [] [] [] [] [] [] [] []"

my_inventory_menu_slot1:
    type: item
    material: red_wool
    display name: Click me

my_inventory_menu_handler:
    type: world
    events:
       on player breaks grass:
       - inventory open d:my_inventory_menu