def METHOD_NAME(self):
    print('================= RPDAC Trigger ===============')
    try:
        self.lib = CDLL("libredpitaya.so")
        print('library loaded')
    except:
        print('Cannot load redpitaya.so')
        raise mdsExceptions.TclFAILED_ESSENTIAL
    self.lib.rpdacTrigger();