Retrieve all personal distribution lists
    You can retrieve all of a user's personal distribution lists from the user's
            mailbox. In the following sample code, an empty request body requests 
BEMS
 to retrieve all
            distribution lists in a user's mailbox. POST /api/contactgroup HTTP/1.1 https://:<BEMS FQDN>:8443/api/contactgroup Content-Type: application/json X-Good-GD-AuthToken: <GDAuthToken> { }
If the request is successful, 
BEMS
 returns the following
        response and the BlackBerry Work
 and
        third-party apps display the user's personal distribution lists. HTTP/1.1 200 OK { Groups:[ {Name: "<personal distribution_list1>", Members:[ {Name: "<User1>", Email: "<user1@example.com>"}, {Name: "<User2>", Email: "<user2@example.com>"} ] }, {Name: "<personal distribution_list2>", Members: [ {Name: "<User1>", Email: "<user1@example.com>"}, {Name: "<User2>", Email: "<user2@example.com>"}, {Name: "<User3>", Email: "<user3@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>"}, {Name: "<User4>", Email: "<user4@example.com>"} ] } ] }