GET UserDefinedFields

{
  "List": [
    {
      "UserDefinedId": 0,
      "AppliesTo": 0,
      "Order": 0,
      "Archived": false,
      "DisplayName": "DisplayName",
      "Description": "Description",
      "Tooltip": "Tooltip",
      "Mandatory": false,
      "FieldType": 4,
      "HyperlinkPath": null,
      "HyperlinkText": null,
      "Precision": null,
      "MaxLength": null,
      "Default": null,
      "ListElements": null
    }
  ],
  "ResponseInformation": null
}

<GetUserDefinedFieldsResponse xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/SpendManagementApi.Models.Responses">
  <ResponseInformation i:nil="true" xmlns="http://schemas.datacontract.org/2004/07/SpendManagementApi.Models.Common" />
  <List xmlns:d2p1="http://schemas.datacontract.org/2004/07/SpendManagementApi.Models.Types.Employees" xmlns="http://schemas.datacontract.org/2004/07/SpendManagementApi.Models.Common">
    <d2p1:UserDefinedField>
      <d2p1:AppliesTo>Employees</d2p1:AppliesTo>
      <d2p1:Archived>false</d2p1:Archived>
      <d2p1:ListElements i:nil="true" />
      <d2p1:Order>0</d2p1:Order>
      <d2p1:UserDefinedId>0</d2p1:UserDefinedId>
    </d2p1:UserDefinedField>
  </List>
</GetUserDefinedFieldsResponse>