Inventory Script Name: 
  type: inventory 
  inventory: inventory type 
  title: custom title 
  size: 45 
  procedural_items:
  - determine <server.list_materials.get[1].to[21].parse[as_item]>
  definitions: 
    border: i@glass_pane
    return_button: i@barrier
  slots: 
    - "[border] [] [] [] [] [] [] [] [border]" 
    - "[border] [] [] [] [] [] [] [] [border]" 
    - "[border] [] [] [] [] [] [] [] [border]" 
    - "[border] [] [] [] [] [] [] [] [border]" 
    - "[border] [] [] [] [] [] [] [] [return_button]"