Cura/resources/extruders/deltacomb_dc20dual_extruder_1.def.json

{
    "version":              2,
    "name":                 "Extruder 2",
    "inherits":             "fdmextruder",
    "metadata": {
        "machine":          "deltacomb_dc20dual",
        "position":         "1"
    },

    "overrides": {
        "extruder_nr":                   { "default_value": 1 },
        "machine_nozzle_size":           { "default_value": 0.4 },
        "material_diameter":             { "default_value": 1.75 },
        "machine_nozzle_offset_x":       { "default_value": 19 },
        "machine_nozzle_offset_y":       { "default_value": 0 },
        "machine_extruder_start_code":   { "default_value": ";DC20 Dual Extruder 2\n;Put your custom code here"},
        "machine_extruder_end_code":     { "default_value": ";DC20 Dual Extruder 2\n;Put your custom code here"}
    }
}