# Introduction `ABGroupUpdate` is one of the SOAP actions the [Address Book Service](../abservice.md) provides. Changes information about a contact group. # Client/Request The template used in this action is described on the [Address Book Service](../abservice.md) main page. ## ABGroupUpdate This element has only one attribute: * `xmlns:` Is always set to `http://www.msn.com/webservices/AddressBook`. ### abId This element contains your [Address Book Service](../abservice.md) GUID. ### groups This element only contains `` elements #### Group This element contains three children: * ``: The GUID of the group to modify. * ``: Explained below. * ``: A space delimited list of changes made in ``: * `GroupName` ##### groupInfo This element contains only one child: * ``: The new name of the group. # Server/Response The template used in this action is described on the [Address Book Service](../abservice.md) main page. ## ABGroupUpdateResponse This empty element has only one attribute: * `xmlns:` Is always set to `http://www.msn.com/webservices/AddressBook`. # Examples ## Client/Request ``` POST /abservice/abservice.asmx HTTP/1.1 SOAPAction: http://www.msn.com/webservices/AddressBook/ABGroupUpdate Cache-Control: no-cache Content-Type: text/xml; charset=utf-8 Content-Length: 1276 996CDE1E-AA53-4477-B943-2BE802EA6166 false GroupSave false t=ticket&p=profile 00000000-0000-0000-0000-000000000000 f60efbe7-94af-4b16-b926-e4e10878d329 Other People GroupName ``` ## Server/Response ``` HTTP/1.1 200 OK Content-Type: text/xml Content-Length: 772; charset=utf-8 12.01.1111.0000 12r1;MjAyNC0xMS0xOVQxNzo0ODowOS44MDNa true contacts.example.com ecfaf8c7-e388-4571-8641-b061a0ac4bdc ```