POST api/Pos/Product/SaveAllProduct

{
  "Products": [
    {
      "$id": "2",
      "Product_IiD": "sample string 1",
      "Product_Code": "sample string 2",
      "Product_Name": "sample string 3",
      "Product_CategoryUid": "sample string 4",
      "Product_CategoryName": "sample string 5",
      "Product_Rate": 1.1,
      "Product_PurchaseRate": 1.1,
      "Product_OutputTax": 1.1,
      "Product_SalesInc": true,
      "Product_PurchaseInc": true,
      "Product_Description": "sample string 6",
      "Product_Unit": "sample string 7",
      "Product_Image": "sample string 8",
      "Product_Active": true,
      "Product_CreatedOn": "2025-12-06T09:19:31.7979901+05:30",
      "Product_CreatedBy": "sample string 9",
      "Product_ModifiedOn": "2025-12-06T09:19:31.7979901+05:30",
      "Product_ModifiedBy": "sample string 10",
      "Product_CompanyUid": "sample string 11",
      "Product_Gid": "sample string 12",
      "Product_HSNcode": "sample string 13",
      "Product_ManufacturerUid": "sample string 14",
      "Product_RegionalName": "sample string 15",
      "Product_DiscountPerc": 1.1,
      "Product_CessPerc": 1.1,
      "Product_AddCessRate": 1.1,
      "Product_IsWeighingItem": true,
      "Product_DeluxeRate": 1.1,
      "Product_TakeawayRate": 1.1,
      "Product_DeliveryRate": 1.1,
      "Product_DeluxeTax": 1.1,
      "Product_TakeawayTax": 1.1,
      "Product_DeliveryTax": 1.1,
      "Product_DeluxeInc": true,
      "Product_TakeawayInc": true,
      "Product_DeliveryInc": true,
      "Product_SalesRate": 1.1,
      "Product_MRPRate": 1.1,
      "Product_CostRate": 1.1,
      "Default_Unit": "sample string 16",
      "Product_IsMultiUnit": true,
      "Product_ItemClass": "sample string 17",
      "Xenia_Category": {
        "$id": "3",
        "Category_UiD": "sample string 1",
        "Category_Name": "sample string 2",
        "Category_Code": "sample string 3",
        "Category_Active": true,
        "Category_CreatedOn": "2025-12-06T09:19:31.7979901+05:30",
        "Category_CreatedBy": "sample string 4",
        "Category_ModifiedOn": "2025-12-06T09:19:31.7979901+05:30",
        "Category_ModifiedBy": "sample string 5",
        "Category_CompanyUid": "sample string 6",
        "Category_Gid": "sample string 7",
        "Xenia_Product": [
          {
            "$ref": "2"
          },
          {
            "$ref": "2"
          }
        ]
      },
      "Xenia_Manufacturer": {
        "$id": "4",
        "Manufacturer_UiD": "sample string 1",
        "Manufacturer_Name": "sample string 2",
        "Manufacturer_Active": true,
        "Manufacturer_CreatedOn": "2025-12-06T09:19:31.7979901+05:30",
        "Manufacturer_CreatedBy": "sample string 3",
        "Manufacturer_ModifiedOn": "2025-12-06T09:19:31.7979901+05:30",
        "Manufacturer_ModifiedBy": "sample string 4",
        "Manufacturer_CompanyUid": "sample string 5",
        "Xenia_Product": [
          {
            "$ref": "2"
          },
          {
            "$ref": "2"
          }
        ]
      }
    },
    {
      "$ref": "2"
    }
  ]
}

Sample not available.