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I do not know whether this will or will not be picked up for GUI inclusion but I wanted to put it out there that administrators always have the full complement of frr commands at their disposal using frr's vtysh utility.

Caution should be exercised and changes should be made in the gui or they will be lost but for status queries like these it is pretty useful.

Shell Output - vtysh -c "show ip bgp neighbors 172.25.228.58 advertised-routes" 

BGP table version is 10, local router ID is 172.25.232.1, vrf id 0
Default local pref 100, local AS 65001
Status codes:  s suppressed, d damped, h history, * valid, > best, = multipath,
               i internal, r RIB-failure, S Stale, R Removed
Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self
Origin codes:  i - IGP, e - EGP, ? - incomplete

Originating default network 0.0.0.0/0

   Network          Next Hop            Metric LocPrf Weight Path
*> 172.31.31.0/24   0.0.0.0                  0         32768 i

Total number of prefixes 1

Shell Output - vtysh -c "show ip bgp 172.31.31.0/24" 

BGP routing table entry for 172.31.31.0/24
Paths: (1 available, best #1, table default)
  Advertised to non peer-group peers:
  172.25.228.58
  Local
    0.0.0.0 from 0.0.0.0 (172.25.232.1)
      Origin IGP, metric 0, weight 32768, valid, sourced, local, best (First path received)
      Last update: Sat Jul  9 14:54:53 2022

It can also be used interactively from the shell:

Enter an option: 8

[2.6.0-RELEASE][root@pfSense-a]/root: vtysh

Hello, this is FRRouting (version 7.5.1).
Copyright 1996-2005 Kunihiro Ishiguro, et al.

pfSense-a# show ip bgp neighbors 172.25.228.58 advertised-routes 
BGP table version is 10, local router ID is 172.25.232.1, vrf id 0
Default local pref 100, local AS 65001
Status codes:  s suppressed, d damped, h history, * valid, > best, = multipath,
               i internal, r RIB-failure, S Stale, R Removed
Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self
Origin codes:  i - IGP, e - EGP, ? - incomplete

Originating default network 0.0.0.0/0

   Network          Next Hop            Metric LocPrf Weight Path
*> 172.31.31.0/24   0.0.0.0                  0         32768 i

Total number of prefixes 1
pfsense-a#

it could be added as "vtysh command " similar to Diagnostics>Command Prompt .

only "show" Commands (not conf. commands)

Appreciate the responses here. I didnt know if vtysh could be called from the cli - rather i didnt know how.
That being the case, i assume intergrating that into the GUI wouldnt be a huge lift?