[
  {
    "mode": "REQUIRED",
    "name": "id",
    "type": "INTEGER",
    "description": "ID"
  },
  {
    "mode": "REQUIRED",
    "name": "customer_id",
    "type": "INTEGER",
    "description": "ID"
  },
  {
    "mode": "REQUIRED",
    "name": "purchase_id",
    "type": "INTEGER",
    "description": "ID"
  },
  {
    "mode": "REQUIRED",
    "name": "customer_name",
    "type": "STRING",
    "description": "Name"
  },
  {
    "mode": "REQUIRED",
    "name": "customer_surname",
    "type": "STRING",
    "description": "Surname"
  },
  {
    "mode": "REQUIRED",
    "name": "purchase_item",
    "type": "STRING",
    "description": "Item Name"
  },
  {
    "mode": "REQUIRED",
    "name": "price",
    "type": "FLOAT",
    "description": "Item Price"
  },
  {
    "mode": "REQUIRED",
    "name": "purchase_timestamp",
    "type": "TIMESTAMP",
    "description": "Timestamp"
  }
]