Hello!
Please check this example - USG does have the commands, in the example there is a switch:
The configuration from SW1 :
#
vlan batch 2
#
ip vpn-instance test
ipv4-family
route-distinguisher 100:1
import route-policy 1
vpn-target 1:1 export-extcommunity
vpn-target 1:1 import-extcommunity
#
ip vpn-instance test2
ipv4-family
route-distinguisher 100:2
export route-policy 2
vpn-target 1:1 export-extcommunity
vpn-target 1:1 import-extcommunity
#
interface Vlanif1
ip binding vpn-instance test
ip address 1.1.1.1 255.255.255.0
#
interface Vlanif2
ip binding vpn-instance test2
ip address 2.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0/1
port link-type access
port default vlan 1
#
interface GigabitEthernet0/0/2
port link-type access
port default vlan 2
#
bgp 1
router-id 1.1.1.1
#
ipv4-family unicast
undo synchronization
#
ipv4-family vpn-instance test
import-route direct
#
ipv4-family vpn-instance test2
import-route direct
#
PC 1:
PC 2:

Result: