'Retrieve the list of slo\'s from the array
:param array: the array serial number
:returns: slo_list -- list of service level names'

def get_slo_list(self, array):

    slo_list = []
    slo_dict = self.get_resource(array, SLOPROVISIONING, 'slo')
    if (slo_dict and slo_dict.get('sloId')):
        slo_list = slo_dict['sloId']
    return slo_list
