"Trade":
  Type: Interact
  Requirements:
    Mode: None
  Steps:
    1:
      Click Trigger:
        Script:
        - ^TRADER_TRANSACTION START SELL
      Sold Trigger:
        Script:
        - ^IF FLAG:TransactionItem:Diamond SCRIPT:Count_Diamond_Sold

Count_Diamond_Sold:
  Type: Task
  Script: 
  - ^FLAG 'Transactions:++' GLOBAL
  - ^IF GLOBAL EXACTLY FLAG:Transactions:40 SCRIPT:Discount_Pattern
  - ^IF GLOBAL FLAG:Transactions:45 SCRIPT:Basic_Pattern

Discount_Pattern:
  Type: Task
  Script:
  - ^TRADER_PATTERN SET PAT:discount
  - ^CHAT "We got a discount on all items!"
  
Basic_Pattern:
  Type: Task
  Script:
  - ^TRADER_PATTERN SET PAT:default
  - ^CHAT "The discount is over!"
  - ^FLAG Transactions:0 GLOBAL