def METHOD_NAME(self):
    if ('DD_SAMPLE' not in os.environ) or (os.environ['DD_SAMPLE'] == ''):
        if (len(sys.argv) > 2):  # no else part since if sample does not exist, we had quit previously
            sampleName = str(sys.argv[2])
            os.environ['DD_SAMPLE'] = 'RelVal' + sampleName
            print('Sample name:', sampleName, ' - ', os.environ['DD_SAMPLE'])
        else:
            print('====================')
            print('no sample name, quit')
            print('====================')
            quit()