orderPizza:
    component: "System.CommonResponse"
    properties:
      processUserMessage: true
      keepTurn: false
      variable: "pizzaType" 
      nlpResultVariable: "iResult"       
      maxPrompts: 

      metadata: 
        responseItems:      
        - type: "text"  
          text: "What kind of pizze do you want?" 
          actions: 
          - label: "${enumValue?capitalize}"
            type: "postback"
            keyword: 
            payload: 
              variables: 
                pizzaType: "${enumValue}"
            iteratorVariable: "pizzaType.type.enumValues"   
    transitions: 
      next: "askSize"