POST api/PurchaseOrder/PostPurchaseOrder

{
  "purchaseOrder": {
    "Web_Prescriber_Id": 1,
    "pos_id": "sample string 2",
    "po_order_id": "sample string 3",
    "order_request_id": "sample string 4",
    "CustID": "sample string 5",
    "ContactName": "sample string 6",
    "ShipCustAddrID": "sample string 7",
    "ShipToAddressName": "sample string 8",
    "shipToAddressLine1": "sample string 9",
    "shipToAddressLine2": "sample string 10",
    "shipToCity": "sample string 11",
    "shipToState": "sample string 12",
    "shipToPostalCode": "sample string 13",
    "BillCustAddrID": "sample string 14",
    "billToAddressName": "sample string 15",
    "billToAddressLine1": "sample string 16",
    "billToAddressLine2": "sample string 17",
    "billToCity": "sample string 18",
    "billToState": "sample string 19",
    "billToPostalCode": "sample string 20",
    "Subtotal": 21.0,
    "FreightCharge": 22.0,
    "OrderTotal": 23.0,
    "CartItems": [
      {
        "lineNumber": 1,
        "ItemKey": 2,
        "ItemSizeKey": 3,
        "ItemID": "sample string 4",
        "ItemName": "sample string 5",
        "PackSize": 6.0,
        "Strength": "sample string 7",
        "RefrigInd": true,
        "DryIceInd": true,
        "Quantity": 10,
        "LinePrice": 11.0,
        "UnitPrice": 12.0,
        "Sterile": true,
        "DosageID": "sample string 14",
        "ConvtFactor": 15.1,
        "MarketingName": "sample string 16",
        "BackOrderFlag": true,
        "CommonEffFlag": true,
        "DosageDescription": "sample string 19",
        "DosageFormDescriptionText": "sample string 20",
        "ExtAmount": 21.0,
        "FinalPrice": 22.0,
        "FlavorDesc": "sample string 23",
        "FlavorID": "sample string 24",
        "FlavorKey": 25,
        "InitialPrice": 26.0,
        "ItemSizePrice": 27.0,
        "QtyAvailable": 28.1,
        "QtyOrd": 29.0,
        "SizeFullText": "sample string 30",
        "PatientsQty": 31,
        "QtyPrescribed": 32,
        "Legal": 33
      },
      {
        "lineNumber": 1,
        "ItemKey": 2,
        "ItemSizeKey": 3,
        "ItemID": "sample string 4",
        "ItemName": "sample string 5",
        "PackSize": 6.0,
        "Strength": "sample string 7",
        "RefrigInd": true,
        "DryIceInd": true,
        "Quantity": 10,
        "LinePrice": 11.0,
        "UnitPrice": 12.0,
        "Sterile": true,
        "DosageID": "sample string 14",
        "ConvtFactor": 15.1,
        "MarketingName": "sample string 16",
        "BackOrderFlag": true,
        "CommonEffFlag": true,
        "DosageDescription": "sample string 19",
        "DosageFormDescriptionText": "sample string 20",
        "ExtAmount": 21.0,
        "FinalPrice": 22.0,
        "FlavorDesc": "sample string 23",
        "FlavorID": "sample string 24",
        "FlavorKey": 25,
        "InitialPrice": 26.0,
        "ItemSizePrice": 27.0,
        "QtyAvailable": 28.1,
        "QtyOrd": 29.0,
        "SizeFullText": "sample string 30",
        "PatientsQty": 31,
        "QtyPrescribed": 32,
        "Legal": 33
      }
    ]
  }
}

<RootObjectPO xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/WedgewoodAPI.Models">
  <purchaseOrder>
    <BillCustAddrID>sample string 14</BillCustAddrID>
    <CartItems>
      <CartItem>
        <BackOrderFlag>true</BackOrderFlag>
        <CommonEffFlag>true</CommonEffFlag>
        <ConvtFactor>15.1</ConvtFactor>
        <DosageDescription>sample string 19</DosageDescription>
        <DosageFormDescriptionText>sample string 20</DosageFormDescriptionText>
        <DosageID>sample string 14</DosageID>
        <DryIceInd>true</DryIceInd>
        <ExtAmount>21</ExtAmount>
        <FinalPrice>22</FinalPrice>
        <FlavorDesc>sample string 23</FlavorDesc>
        <FlavorID>sample string 24</FlavorID>
        <FlavorKey>25</FlavorKey>
        <InitialPrice>26</InitialPrice>
        <ItemID>sample string 4</ItemID>
        <ItemKey>2</ItemKey>
        <ItemName>sample string 5</ItemName>
        <ItemSizeKey>3</ItemSizeKey>
        <ItemSizePrice>27</ItemSizePrice>
        <Legal>33</Legal>
        <LinePrice>11</LinePrice>
        <MarketingName>sample string 16</MarketingName>
        <PackSize>6</PackSize>
        <PatientsQty>31</PatientsQty>
        <QtyAvailable>28.1</QtyAvailable>
        <QtyOrd>29</QtyOrd>
        <QtyPrescribed>32</QtyPrescribed>
        <Quantity>10</Quantity>
        <RefrigInd>true</RefrigInd>
        <SizeFullText>sample string 30</SizeFullText>
        <Sterile>true</Sterile>
        <Strength>sample string 7</Strength>
        <UnitPrice>12</UnitPrice>
        <lineNumber>1</lineNumber>
      </CartItem>
      <CartItem>
        <BackOrderFlag>true</BackOrderFlag>
        <CommonEffFlag>true</CommonEffFlag>
        <ConvtFactor>15.1</ConvtFactor>
        <DosageDescription>sample string 19</DosageDescription>
        <DosageFormDescriptionText>sample string 20</DosageFormDescriptionText>
        <DosageID>sample string 14</DosageID>
        <DryIceInd>true</DryIceInd>
        <ExtAmount>21</ExtAmount>
        <FinalPrice>22</FinalPrice>
        <FlavorDesc>sample string 23</FlavorDesc>
        <FlavorID>sample string 24</FlavorID>
        <FlavorKey>25</FlavorKey>
        <InitialPrice>26</InitialPrice>
        <ItemID>sample string 4</ItemID>
        <ItemKey>2</ItemKey>
        <ItemName>sample string 5</ItemName>
        <ItemSizeKey>3</ItemSizeKey>
        <ItemSizePrice>27</ItemSizePrice>
        <Legal>33</Legal>
        <LinePrice>11</LinePrice>
        <MarketingName>sample string 16</MarketingName>
        <PackSize>6</PackSize>
        <PatientsQty>31</PatientsQty>
        <QtyAvailable>28.1</QtyAvailable>
        <QtyOrd>29</QtyOrd>
        <QtyPrescribed>32</QtyPrescribed>
        <Quantity>10</Quantity>
        <RefrigInd>true</RefrigInd>
        <SizeFullText>sample string 30</SizeFullText>
        <Sterile>true</Sterile>
        <Strength>sample string 7</Strength>
        <UnitPrice>12</UnitPrice>
        <lineNumber>1</lineNumber>
      </CartItem>
    </CartItems>
    <ContactName>sample string 6</ContactName>
    <CustID>sample string 5</CustID>
    <FreightCharge>22</FreightCharge>
    <OrderTotal>23</OrderTotal>
    <ShipCustAddrID>sample string 7</ShipCustAddrID>
    <ShipToAddressName>sample string 8</ShipToAddressName>
    <Subtotal>21</Subtotal>
    <Web_Prescriber_Id>1</Web_Prescriber_Id>
    <billToAddressLine1>sample string 16</billToAddressLine1>
    <billToAddressLine2>sample string 17</billToAddressLine2>
    <billToAddressName>sample string 15</billToAddressName>
    <billToCity>sample string 18</billToCity>
    <billToPostalCode>sample string 20</billToPostalCode>
    <billToState>sample string 19</billToState>
    <order_request_id>sample string 4</order_request_id>
    <po_order_id>sample string 3</po_order_id>
    <pos_id>sample string 2</pos_id>
    <shipToAddressLine1>sample string 9</shipToAddressLine1>
    <shipToAddressLine2>sample string 10</shipToAddressLine2>
    <shipToCity>sample string 11</shipToCity>
    <shipToPostalCode>sample string 13</shipToPostalCode>
    <shipToState>sample string 12</shipToState>
  </purchaseOrder>
</RootObjectPO>

Sample not available.