Klipper macros - how to accept parameters with alternative spellings

gistfile1.txt

[gcode_macro PRINT_START]
description: Ready the printer for printing.
gcode:
  {% set BedTemperature = params.get('BED_TEMPERATURE', params.get('BED', 60)) | int %}
  {% set ExtruderTemperature = params.get('EXTRUDER_TEMPERATURE', params.get('EXTRUDER', 210)) | int %}
  {% set ExtruderStandbyTemperature = params.get('EXTRUDER_STANDBY_TEMPERATURE', params.get('STANDBY', 170)) | int %}
  {% set ChamberTemperature = params.get('CHAMBER_TEMPERATURE', params.get('CHAMBER', 20)) | int %}