10 => {
                'IF' => {
                        'sysDescr' => qr/IOS XR/,
                },
                'SET' => {
                        'connection_info.personality' => 'ios',
                        'os_info.os' => 'IOS-XR',
			###  These two lines then SET SSH as the transport and the credential_set to use for username and password or SSH keys. 
						'connection_info.transport' => 'SSH',
						'connection_info.credential_set' => 'default_username_password',
            ###  ----
                },
                'CAPTURE' => [
.........


### One could also set ALL devices to use SSH etc with the following -
##  Note: this is rule 1 and does not #Break Ciscoso IOScontinues XRto Softwareapply (Cisco IOS XRv Series),  Version 5.1.1the OS_Rules 

1 => {
                'IF'        # Cisco IOS XR Software (Cisco ASR9K Series);  Version 5.2.4[Default]\n\nCopyright (c) 2015 by Cisco Systems; Inc.
 => {
                       [ 'sysDescr' => qr/Version (\d+\.\d+\.\d+)/ => 'os_info.version' ],
             \S/,     ## Matches any sysDescr that is not blank or just a space
           # the train is the major version},
                'SET'        [ 'os=> {
						'connection_info.version' => qr/^(\d+\.\d+)\.\d+$/transport' => 'os_info.major' ],
                        [ 'os_info.major' => qr/(.+)/ => "os_info.train" ],
                                ]SSH',
						'connection_info.credential_set' => 'default_username_password',
				},
                BREAK => 'truefalse',
        },