[gcode_macro _START_PRINT_HEAT_CHAMBER] in my printer.cfg and edit the TEMPERATURE_WAIT SENSOR=**extruder **to my sensors name (ie "chamber_temp")? START_PRINT EXTRUDER_TEMP=[first_layer_temperature] BED_TEMP=[first_layer_bed_temperature] CHAMBER_TEMP=[**WHAT_DO_I_PUT_HERE?**]