关于获取完整的产品目录的API测试接口和创建测试订单API的必须字段疑问

获取产品完整目录的api在测试环境是不是没有开发,还有测试订单的数据的必填字段是否来自产品目录

测试获取完整产品目录接口:transact.ti.com/.../catalog

测试创建订单接口: transact.ti.com/.../test
接口必填字段:

{
  "order": {
    "checkoutProfileId": "INSERT CHECKOUT PROFILE ID HERE",(已经有了)
    "customerPurchaseOrderNumber": "INSERT PO NUMBER HERE", (已经有了)
    "endCustomerCompanyName": "INSERT END CUSTOMER NAME HERE",(已经有了)
    "expediteShipping": false,
    "customerOrderComments": [
      {
        "message": "MY TEST ORDER"
      }
    ],
    "lineItems": [
      {
        "customerLineItemNumber": 1,
        "tiPartNumber": "NE555DR",    (*************************这个****)
        "customerPartNumber": "MY CUSTOMER PARTNUMBER",
        "customReelIndicator": false,
        "quantity": 1,                 (************这个*************)
        "customerItemComments": [
          {
            "message": "SOME COMMENT GOES HERE"
          }
        ]
      },
*****************以下字段是怎么用的,lineItems数组里有相同的******************* { "customerLineItemNumber": 2, "tiPartNumber": "LM358PWR", "quantity": 1 } ] } }