Adds a user to a group.
public void profile_addGroupMember( String accessToken, String groupName, String userName );
The profile_addGroupMember operation adds a user to a group.
Either the security token passed to your application by Vibe as part of implementing a remote application, or the null value.
A string containing the name of the group.
A string containing the name of the user to be added to the group.
Java objects in the Vibe sources (see Section 5.6.1, Working with Java Objects)