"Bob":
  type: assignment
  interact scripts:
  - 10 Builder
  actions:
  on assignment:
  - trigger name:proximity toggle:true
  - lookclose state:true
"Builder":
  type:interact
  steps:
    1:
      proximity trigger:
         entry:
           script:
           - if <player.inventory.contains[darkoak_log].qty[10]>
           {
             - chat "Thank you for collecting the 10 logs I needed for your house"
             - execute as_npc "builder <npc.id> load house1"
             - execute as_npc "builder <npc.id> origin schematic"
             - execute as_npc "builder <npc.id> build"
           } else {
             - chat "Could you fetch me 10 dark oak logs please?"
             - chat "in this chest is an axe you can use"
           }