FSUIPC 7 MSFS2020 VB.net HELP

[ihiyani]

hello everyone , i just wanted to know how to make the tug of the pushback attach to the aircraft without move , i need to make the speed 0 

so tried this code 

Private TugS As New Offset(Of UInteger)("tug", &H31FC, True)
Dim SPD as UInteger = TextSPD.text
TugS.Value = SPD
FSUIPCConnection.Process("tug")

it didn't work the aircraft just move forward when it's not attached to the tug .

need help with that thank you at all .

stay safe