74.23.

openstack sfc service graph create [-h]
                                          [-f {json,shell,table,value,yaml}]
                                          [-c COLUMN] [--noindent]
                                          [--prefix PREFIX]
                                          [--max-width <integer>]
                                          [--fit-width] [--print-empty]
                                          [--description DESCRIPTION]
                                          --branching-point
                                          SRC_CHAIN:DST_CHAIN_1,DST_CHAIN_2,DST_CHAIN_N
                                          <name>