You have these placeholder functions in geolizr notifications:
Location based Parameter
{{ country_name }}
detected Country Name for example: GERMANY
{{ country_code }}
detected Country Code for example: DE
{{ country_flag }}
detected Country Flag for example:
{{ currency }}
detected Currency for the Country. example: EUR
Independent Location Parameter
{{ random_number(<from>,<to>,<optional=cookie>) }}
Generates a random number between <from> and <to>; cookie 1 save the number as cookie (default), 0 = every request generates a new random number