You can retrieve all of a user's personal distribution lists that were created or edited after a time that you specify. In the following sample code, BEMS retrieves the personal distribution lists that were created and updated in the user's mailbox after the SinceTs of 1489762857000.

POST /api/contactgroup HTTP/1.1
https://:<BEMS FQDN>:8443/api/contactgroup
Content-Type: application/json
X-Good-GD-AuthToken: <GDAuthToken>
{
  "SinceTs": 1489762857000
}

If the request is successful, BEMS returns the following responses and the BlackBerry Work and third-party apps display the user's updated personal distribution lists.

• If the distribution list did not change after the specified SinceTs, BEMS returns the following response:

  HTTP/1.1 200 OK
  {}

• If the distribution list did change after the specified SinceTs, BEMS returns the following reponse:
  Note: In the response example, distribution list 2 adds a new, and distribution list 3 removes a contact.

  HTTP/1.1 200 OK
  {
   Groups:[
         {Name: "<personal distribution_list2>",
         Members: [ 
                    {Name: "<User1>", Email: "<user1@example.com>"}, 
                    {Name: "<User2>", Email: "<user2@example.com>"}, 
                    {Name: "<User3>", Email: "<user3@example.com>"},
                    {Name: "<User4>", Email: "<user4@example.com>"}
                          ]
   },
         {Name: "<personal distribution_list3>",
          Members: [ 
                    {Name: "<User1>", Email: "<user1@example.com>"},
                    {Name: "<User2>", Email: "<user2@example.com>"},
                    {Name: "<User3>", Email: "<user3@example.com>"} 
                           ]
         }
         ]
  }