Click on 'CONNECT' tab, right click on 'Database' and select 'Create as400 connection'
cm set "demo_cm_as400" {execute "db.as400.config.get" "[hostname]" "localhost" "[port]" "8471" "[database]" "test_db" "[user]" "bob" "[password]" "pwd" ;};
"1"Click on refrech button: