OpenSim.Region.CoreModules.Avatar.Friends.FriendsModule.OnInstantMessage C# (CSharp) Method

        private void OnInstantMessage(IClientAPI client, GridInstantMessage im)
        {
            if ((InstantMessageDialog)im.dialog == InstantMessageDialog.FriendshipOffered)
            { 
                // we got a friendship offer
                UUID principalID = new UUID(im.fromAgentID);
                UUID friendID = new UUID(im.toAgentID);

                m_log.DebugFormat("[FRIENDS]: {0} ({1}) offered friendship to {2}", principalID, im.fromAgentName, friendID);

                // This user wants to be friends with the other user.
                // Let's add the relation backwards, in case the other is not online
                FriendsService.StoreFriend(friendID, principalID.ToString(), 0);

                // Now let's ask the other user to be friends with this user
                ForwardFriendshipOffer(principalID, friendID, im);
            }
        }