garage door open

[Giaitzoglou]

hi i was wondering if you can help me .my carage door needs a signal for only a sec to start opening the door next to stop the door at a specific point it needs another 1 sec signal and finally to start closing it need again 1 sec signal .the signal is being made from a relay connected to raspi when i activate the realy it makes a circuit and signals the motor .
what i want to ask is how i should change the code of this pluging in order to work with my motor ?
thanks in advance
chris