text: import handler from "./libs/handler-lib";
  import dynamoDb from "./libs/dynamodb-lib";
  
  export const main = handler(async(event, context) => {
  
    const params = {
      TableName: process.env.tableName,
      // 'KeyConditionExpression' defines the condition for the query
      // - 'userId = :userId': only return items with matching 'userId'
      //   partition key
      // 'ExpressionAttributeValues' defines the value in the condition
      // - ':userId': defines 'userId' to be Identity Pool identity id
      //   of the authenticated user
      KeyConditionExpression: "userId = :userId",
      ExpressionAttributeValues: {
        ":userId": event.requestContext.identity.cognitoIdentityId
      }
   };
  
   const result = await dynamoDb.query(params);
  
   //Return the retrieved item
   return result.Items;
   });
  