POST Groups/InsertSecurityGroupUserMapper

{
  "SecurityGroupId": 1,
  "Users": [
    "sample string 1",
    "sample string 2"
  ],
  "SecurityGroupObjectType": "sample string 2",
  "UsersDetails": [
    {
      "FirstName": "sample string 1",
      "LastName": "sample string 2",
      "Department": "sample string 3",
      "DisplayName": "sample string 4",
      "Email": "sample string 5",
      "EmployeeId": 6
    },
    {
      "FirstName": "sample string 1",
      "LastName": "sample string 2",
      "Department": "sample string 3",
      "DisplayName": "sample string 4",
      "Email": "sample string 5",
      "EmployeeId": 6
    }
  ]
}

<SecurityGroupUsers xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/DUA.REST.Models">
  <SecurityGroupId>1</SecurityGroupId>
  <SecurityGroupObjectType>sample string 2</SecurityGroupObjectType>
  <Users xmlns:d2p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
    <d2p1:string>sample string 1</d2p1:string>
    <d2p1:string>sample string 2</d2p1:string>
  </Users>
  <UsersDetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/DUA.Data.Models">
    <d2p1:UserDetails>
      <d2p1:Department>sample string 3</d2p1:Department>
      <d2p1:DisplayName>sample string 4</d2p1:DisplayName>
      <d2p1:Email>sample string 5</d2p1:Email>
      <d2p1:EmployeeId>6</d2p1:EmployeeId>
      <d2p1:FirstName>sample string 1</d2p1:FirstName>
      <d2p1:LastName>sample string 2</d2p1:LastName>
    </d2p1:UserDetails>
    <d2p1:UserDetails>
      <d2p1:Department>sample string 3</d2p1:Department>
      <d2p1:DisplayName>sample string 4</d2p1:DisplayName>
      <d2p1:Email>sample string 5</d2p1:Email>
      <d2p1:EmployeeId>6</d2p1:EmployeeId>
      <d2p1:FirstName>sample string 1</d2p1:FirstName>
      <d2p1:LastName>sample string 2</d2p1:LastName>
    </d2p1:UserDetails>
  </UsersDetails>
</SecurityGroupUsers>

Sample not available.