https://docs.gns3.com/appliances/cisco-asav.html

ciscoasa#conf t
ciscoasa(config)# cd coredumpinfo
ciscoasa(config)# copy coredump.cfg disk0:/use_ttyS0

https://docs.gns3.com/appliances/cisco-csr1000v.html

Router>en
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#platform console serial
Router(config)#exit
Router#wr me
Building configuration...

*Sep 20 15:00:19.459: %SYS-5-CONFIG_I: Configured from console by console[OK]
Router#