sccode = """
SynthDef.new(\\donk,
{|amp=1, sus=1, pan=0, freq=0, vib=0, fmod=0, rate=0, bus=0, blur=1, beat_dur=1, atk=0.01, decay=0.01, rel=0.01, peak=1, level=0.8|
var osc, env;
sus = sus * blur;
freq = In.kr(bus, 1);
freq = [freq, freq+fmod];
freq=((freq / 2) + [0, 2]);
amp=(amp / 1.25);
osc=Ringz.ar((Impulse.ar(0, phase: rate) / (rate + 1)), freq, sus, amp);
osc = Mix(osc) * 0.5;
osc = Pan2.ar(osc, pan);
	ReplaceOut.ar(bus, osc)}).add;

"""

synth = SCInstrument(
    shortname="donk",
    fullname="Donk",
    description="Donk synth",
    code=sccode,
    arguments={}
)