I tried to add both in same service point , but I got error messages .
File "/home/test/ncs-5.3.1.2/src/ncs/pyapi/ncs/application.py", line 340, in __init__
_ncs.dp.register_service_cb(ctx, servicepoint, self)
_ncs.error.Error: Bad protocol usage or unexpected retval (21): Cannot register both pre_lock_create() and create() callbacks