L3-Hand-Off endpoint groups (EPG) created under the ownership of Shared Tenant are exclusively meant for the handoff of the Shared VRF. You cannot create the Extension EPGs under the ownership of Shared Tenant. BGP peer created under the ownership of Shared Tenant are exclusively meant for the handoff of the Shared VRF.
efa tenant create --name <epg-name> --type shared --port <port-list> --vrf-count <num-of-vrfs> --l3-vni-range <l3-vni-range> --vlan-range <vlan-range> --l2-vni-range <l2-vni-range>
efa tenant vrf create --name <vrf-name> --tenant <shared-tenant-name>
efa tenant epg create --name <epg-name> --type l3-hand-off --tenant <shared-tenant-name-owning-the-shared-vrf> --po <po-list> --switchport-mode <trunk|access> --ctag-range <ctag-range> --local-ip <ctag,device-ip:local-ip> --vrf <shared-vrf-owned-by-shared-tenant>
efa tenant service bgp peer create --name <bgp-peer-name> --tenant <shared-tenant-owning-the-shared-vrf> --ipv4-uc-nbr <device-ip,shared-vrf-owned-by-shared-tenant:bgp-peer-ip,bgp-peer-remote-asn>