friendsServer.UpdateAndGetAllInformation(func(client *nex.Client, callID uint32, nnaInfo *nexproto.NNAInfo, presence *nexproto.NintendoPresenceV2, birthday *nex.DateTime) {
        comment := "Pretendo Online"
        datetime := nex.NewDateTime(0)

        rmcResponseStream := nex.NewStream()
        rmcResponseStream.Grow(int64(
            3 + // PrincipalPreference
            1 + 2 + len(comment) + 1 + 8 + // Comment

            4 + // FriendInfo List length
            4 + // PID
            2 + 11 + 1 + // NNID
            2 + 10 + 1 + // Mii Name
            2 + // 2 bytes
            4 + // Mii buffer
            8 + // date
            3 +
            4 +
            1 +
            8 + // title id
            2 + // title ver
            1 +
            2 + 12 + 1 +
            29 +
            2 + 16 + 1 +
            32 +

            4 + // FriendRequest (Sent) List length
            4 + // FriendRequest (Received) List length
            4 + // BlacklistedPrincipal List length
            1 + // Unknown
            4 + // PersistentNotification List length
            1)) // Unknown

        // TODO: Make the following fields into structs and encode them

        //PrincipalPreference
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        //Comment
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteNEXStringNext(comment)
        rmcResponseStream.WriteU64LENext([]uint64{datetime.Now()})
        //List<FriendInfo>
        rmcResponseStream.WriteU32LENext([]uint32{1})
        // NNAInfo
        rmcResponseStream.WriteU32LENext([]uint32{1745583457})
        rmcResponseStream.WriteNEXStringNext("RamboLeBoss")
        rmcResponseStream.WriteNEXStringNext("RamboLeMii")
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteU32LENext([]uint32{0}) // Mii buffer
        rmcResponseStream.WriteU64LENext([]uint64{datetime.Now()})
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        // Presence
        rmcResponseStream.WriteU32LENext([]uint32{4})
        rmcResponseStream.WriteByteNext(1)
        rmcResponseStream.WriteU64LENext([]uint64{0x000500010113400})
        rmcResponseStream.WriteByteNext(0x40)
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteNEXStringNext("BO2 je crois")
        rmcResponseStream.WriteU32LENext([]uint32{0})
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteU32LENext([]uint32{0})
        rmcResponseStream.WriteU32LENext([]uint32{0})
        rmcResponseStream.WriteU32LENext([]uint32{1745583457})
        rmcResponseStream.WriteU32LENext([]uint32{0})
        rmcResponseStream.WriteU32LENext([]uint32{0})
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteByteNext(0)
        // Comment
        rmcResponseStream.WriteByteNext(0)
        rmcResponseStream.WriteNEXStringNext("Still pretending")
        rmcResponseStream.WriteU64LENext([]uint64{datetime.Now()})
        // stuff
        rmcResponseStream.WriteU64LENext([]uint64{datetime.Now()})
        rmcResponseStream.WriteU64LENext([]uint64{datetime.Now()})
        rmcResponseStream.WriteU64LENext([]uint64{datetime.Now()})

        //List<FriendRequest> (Sent)
        rmcResponseStream.WriteU32LENext([]uint32{0})
        //List<FriendRequest> (Received)
        rmcResponseStream.WriteU32LENext([]uint32{0})
        //List<BlacklistedPrincipal>
        rmcResponseStream.WriteU32LENext([]uint32{0})
        //Unknown
        rmcResponseStream.WriteByteNext(0)
        //List<PersistentNotification>
        rmcResponseStream.WriteU32LENext([]uint32{0})
        //Unknown
        rmcResponseStream.WriteByteNext(0)

        rmcResponseBody := rmcResponseStream.Bytes()

        // Build response packet
        rmcResponse := nex.NewRMCResponse(nexproto.FriendsProtocolID, callID)
        rmcResponse.SetSuccess(nexproto.FriendsMethodUpdateAndGetAllInformation, rmcResponseBody)

        rmcResponseBytes := rmcResponse.Bytes()

        responsePacket := nex.NewPacketV0(client, nil)

        responsePacket.SetVersion(0)
        responsePacket.SetSource(0xA1)
        responsePacket.SetDestination(0xAF)
        responsePacket.SetType(nex.DataPacket)
        responsePacket.SetPayload(rmcResponseBytes)

        responsePacket.AddFlag(nex.FlagNeedsAck)
        responsePacket.AddFlag(nex.FlagReliable)

        nexServer.Send(responsePacket)
    })