To display configured flow maps, the policies that they use, and their configuration settings, use the show multicast flow-map command:
user@host> show multicast flow-map
Instance: master Name Policy Cache timeout Bandwidth Adaptive map2 policy2 never 2000000 no map1 policy1 60 seconds 2000000 no
For additional information about the show multicast flow-map command, including descriptions of the fields, see the JUNOS Routing Protocols and Policies Command Reference.