Have a look at the CatTools help (Activities/Activities List/Device.CLI.Send commands/...):
"Within the commands, you can use a number of variables that are replaced by actual values when the commands are presented to the device. See the section Command Variables for a list of variables you can use."
Variable Value %ctDeviceName The device name %ctGroupName The device group name %ctHostName The device host address %ctModel The device model field %ctAddress1 The device Address1 field %ctAddress2 The device Address2 field %ctAddress3 The device Address3 field %ctContactName The device Contact name field %ctContactPhone The device Contact phone field %ctContactEmail The device Contact email field %ctTimeHHMM current time in HHMM format %ctDateISO current date in YYYYMMDD format %ctBaseFile device base file name %ctAppPath file system path of the CatTools executable including a trailing "\" %ctCR carriage return %ctLF line feed %ctTAB tab %ctCTRL-Z control key & Z. Normally used to exit config mode.