One unit generator connected to multiple inputs: code

one-ugen-multiple-inputs-code.js

var synth = flock.synth({
    synthDef: {
        id: "sum",
        ugen: "flock.ugen.sum",
        sources: [
            {
                ugen: "flock.ugen.lfSaw",
                freq: 440,
                mul: {
                    id: "amp",
                    ugen: "flock.ugen.line",
                    start: 0,
                    end: 0.1,
                    duration: 20
                }
            },
            {
                ugen: "flock.ugen.lfSaw",
                freq: 450,
        		mul: 0.1
            },
            {
                ugen: "flock.ugen.lfSaw",
                freq: 460,
                mul: 0.1
            }
        ]
    },
    addToEnvironment: false
});

var line = synth.get("amp");
var oscs = synth.get("sum").inputs.sources;
for (var i = 0; i < oscs.length; i++) {
    var osc = oscs[i];
    osc.inputs.mul = line;
    osc.onInputChanged("mul");
}
synth.play();