Gets a list of Discussion Board IDs that belong to the community group. 

This method can be accessed through the CommunityGroup.asmx file located in:

~/Workarea/webservices/WebServiceAPI/Community/CommunityGroup.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetCommunityGroupDiscussionBoardIds", Description = "Gets a list of Discussion Board IDs that belong to the community group.")]
public long[] GetCommunityGroupDiscussionBoardIds(long communityGroupId);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetCommunityGroupDiscussionBoardIds", Description = "Gets a list of Discussion Board IDs that belong to the community group.")>
Public Function GetCommunityGroupDiscussionBoardIds(communityGroupId As long) As long()