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// Sample userOrder as an array of objects
const userOrder = [
  { productType: "apple", price: 1.99 },
  { productType: "banana", price: 0.99 },
  { productType: "orange", price: 2.49 },
  
];


function calculateTotalValue(userOrder, orderAmount) {
  let totalValue = 0;

  
  for (const order of userOrder) {
    const productType = order.productType;
    const price = order.price;
    
   
    if (userOrder.some(item => item.productType === productType)) {
      totalValue += price * orderAmount;
    }
  }


I created the userOrder variable as an array of object and also the orderAmount as a variable of number but my code keeps giving me error 


return Total value;



Firstly it says  productType and price property does not existon type strip




Secondly it says it cannot find
 name OrderAmount



Please help , I want to make a bot that can take an order from a user and also calculate and display the total to the user while storing it in a variable so i can export it to a google sheet


Please help

  
}


const transactionResults = calculateTotalValue(userOrder, orderAmount);