52.5.

openstack metric archive-policy-rule create [-h]
                                                   [-f {json,shell,table,value,yaml}]
                                                   [-c COLUMN] [--noindent]
                                                   [--prefix PREFIX]
                                                   [--max-width <integer>]
                                                   [--fit-width]
                                                   [--print-empty] -a
                                                   ARCHIVE_POLICY_NAME -m
                                                   METRIC_PATTERN
                                                   name