Conditional Gcode/Macros not working for me

[SarraceniaWilds]

For example, the following gcode does not work in superslicer but does work well in prusaslicer, and I havent been able to figure out ways to make this work with whats available in super. In this case its for an idex printer, and I need to be able to make things conditional on what tool is printing the object, or if both tools are used. Its kept me from going back to superslicer for a long time now and its really annoying.

M140 S{is_extruder_used[0] ? first_layer_bed_temperature[0] : first_layer_bed_temperature[1]} ;set bed temp according to extruder use