#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name
time=itsm.getParameter('parameterName')#"15:05"
from subprocess import PIPE,Popen
with open("C:\schedule_reboot.bat","w") as f:
    f.write('start cmd.exe /k shutdown -r -f')
f.close()
cmd='SchTasks /Create /SC DAILY /TN "restart" /TR "C:\schedule_reboot.bat" /ST %s'%time
obj=Popen(cmd,stdout=PIPE,stderr=PIPE,shell=True)
r,e=obj.communicate()
if e:
    print e
else:
    print r